โ† Fundamentals of Product Design Level One ยท Lesson 5 of 5

Module Four

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Course Outline

Fundamentals of Product Design ยท Level One
PD 101 ยท Level One

Fundamentals of Product Design

๐Ÿ“… 12 weeks โฑ๏ธ 6โ€“8 hrs/week ๐ŸŽ“ Beginner-friendly ๐Ÿงฉ 4 modules

A hands-on introduction to the product design process โ€” from understanding user needs to prototyping and validating ideas. Build a solid foundation in design thinking, visual principles, and iterative making.

๐Ÿ“˜ Course modules 4 core modules
Module 01 3 weeks

Design Thinking & User Discovery

  • Introduction to human-centered design
  • Empathy interviews & observation
  • Problem framing & user personas
  • Journey mapping & pain points
  • Ideation techniques (brainstorming, SCAMPER)
Module 02 3 weeks

Visual & Interaction Fundamentals

  • Layout, hierarchy & alignment
  • Color theory for product design
  • Typography essentials
  • UI patterns & affordances
  • Accessibility basics (WCAG intro)
Module 03 3 weeks

Prototyping & Iteration

  • Low-fidelity sketching & wireframing
  • Digital prototyping tools (Figma basics)
  • Interactive prototypes & click models
  • Iteration based on feedback
  • Design critiques & peer review
Module 04 3 weeks

Validation & Storytelling

  • Usability testing fundamentals
  • Gathering & synthesizing feedback
  • Product storytelling & presentation
  • Portfolio-ready case study
  • Final project presentation

๐ŸŽฏ Learning outcomes

  • Apply design thinking to real-world problems
  • Create wireframes and interactive prototypes
  • Critique and iterate on design solutions
  • Communicate design decisions effectively
  • Build a foundational product design portfolio

๐Ÿ“‹ Assessment

Weekly design exercises 30%
Peer critiques & participation 20%
Mid-term prototype review 20%
Final case study & presentation 30%
Prerequisites: None โ€” open to all beginners. Tools: Figma (free), paper & pen, Miro (optional).
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Module One

Module One: Fundamentals of Product Design โ€“ Level One

Module One: What Is Product Design?


Introduction

Welcome to your first module in Fundamentals of Product Design โ€“ Level One! Have you ever looked at a chair and thought, "Who made this? Why is it shaped like that?" Or used a mobile app and wondered, "Why is the button here and not there?" That is product design. It is the art and science of making things that people use every day.

In this module, we will learn what product design really means. We will see how it touches everything around us โ€” from the spoon in your kitchen to the bus you take to school. You do not need any special skills to start. Just bring your curiosity. By the end of this module, you will look at everyday objects and say, "I understand why this was made this way!"

This module is written in simple language. We will use stories, examples, and pictures (made with keyboard characters) to make everything clear. Let us begin!


Learning Objectives

After finishing this module, you should be able to:

  1. Explain what product design means in your own words.
  2. Describe who a product designer is and what they do.
  3. List the main steps in the product design process.
  4. Identify good design and bad design in everyday objects.
  5. Understand why user needs come before everything else.
  6. Give examples of product design from Nigeria and around the world.
  7. Use simple design vocabulary correctly.
  8. Start thinking like a designer by asking questions about things you use.

Warm-up Story: Ada and the Missing Pen

Ada is a 12-year-old girl who lives in Enugu, Nigeria. One morning, she could not find her pen. She looked under her bed. Nothing. She looked inside her school bag. Nothing. She looked on the kitchen table. Still nothing.

"Mama, have you seen my pen?" Ada asked.

"Which pen?" her mother replied.

"The blue one. The one with the rubber grip. It writes so smoothly."

Her mother smiled. "Ah, that pen. You like it because it does not hurt your fingers when you write for a long time. The person who made that pen thought about you. They thought about your fingers. They thought about how you hold a pen. They thought about how long you write. That person is a product designer."

Ada stopped. "A product designer? What is that?"

"Someone who makes things better for people," her mother said. "They look at a problem โ€” like pens that hurt your hand โ€” and they design a solution. A pen with a soft grip. A pen that is easy to hold. A pen that makes you happy to write."

Ada thought about this. She looked at her school uniform. She looked at the kettle in the kitchen. She looked at the plastic bucket in the bathroom. Someone designed all of these. Someone thought about how people would use them.

That day, Ada decided she wanted to learn more about product design. And that is exactly what we are going to do in this module.

   Ada's Journey
        |
        V
   Loses her pen
        |
        V
   Asks her mother
        |
        V
   Learns about product design
        |
        V
   Gets curious!
        |
        V
   Starts learning ๐ŸŽ‰
  

Main Lessons

Lesson 1: What Is a Product?

Definition

A product is anything that is made for someone to use. It can be something you hold, like a spoon. It can be something you sit on, like a chair. It can be something you use on your phone, like an app. It can even be a service, like a bus that takes you to school.

Why It Is Important

If we do not know what a product is, we cannot design one. Everything around you that was made by humans is a product. Your toothbrush? Product. Your school bag? Product. The traffic light at the junction? Product. The recharge card you buy? Product. Even the wrapper your mother ties? Product.

Simple Explanation

Think of it this way: if someone made it for you to use, it is a product. If it grew in a garden or walked out of the forest, it is not a product. A mango is not a product. But mango juice in a bottle? That is a product. Why? Because someone picked the mango, squeezed it, put it in a bottle, and designed the label. That is product design.

Real-Life Example

Your school uniform is a product. Someone designed it. They chose the colour. They chose the fabric. They chose the shape. They made sure it fits different body sizes. That is product design.

School Example

Your exercise book is a product. The lines on the page? Designed. The margin on the left? Designed. The size of the book? Designed so it fits in your bag. Even the cover? Designed to be strong.

Home Example

The broom in your house is a product. Someone thought: "People need to sweep. How can we make sweeping easy?" They designed a long handle so you do not have to bend. They designed the bristles to catch dust. That is design.

Nigerian Example

The Keke Napep (tricycle) is a product. It was designed to carry people through narrow streets. It has three wheels so it is stable. It has a roof so you do not get wet in the rain. It has a small engine so it does not use too much fuel. Someone designed all of that.

Illustration

   Things That Are Products
   -------------------------
   [ spoon ]  [ chair ]  [ phone ]  [ book ]
       |         |          |          |
       V         V          V          V
   All made by humans for humans to use
  

Mini Summary

A product is anything made for people to use. It can be big or small, physical or digital. If someone designed it, it is a product.


Lesson 2: What Is Design?

Definition

Design is the plan or decision behind how something is made. It is not just about how something looks. It is about how it works, how it feels, and how it helps people.

Why It Is Important

Without design, things would be random. Imagine a chair with legs on the top. Imagine a cup with holes in the bottom. Imagine a school bag with no straps. Design makes things useful, safe, and enjoyable.

Simple Explanation

Design is like a recipe. Before you cook jollof rice, you decide: how much pepper? how much salt? how long to cook? That is design. You are planning how to make something good. Product design is the same, but for things people use.

Real-Life Example

Look at a pencil. It has six sides, not round. Why? Because a round pencil rolls off the table. Six sides stop it from rolling. That is design thinking. Someone asked, "How can we stop pencils from rolling?" and designed the answer.

School Example

Your classroom has windows near the ceiling. Why? So light comes in but you cannot easily fall out. That is design. The architect thought about safety and light at the same time.

Home Example

Your plate is round, not square. Why? Because round plates are easier to eat from. Your spoon is curved. Why? Because it holds soup better. Design is everywhere.

Nigerian Example

The Nigerian passport is designed with a special cover. It has the coat of arms. It has a unique colour. It has security features so nobody can copy it. That is design for safety and identity.

Illustration

   Design Is Everywhere
   ---------------------
   Pencil  --> six sides --> stops rolling
   Plate   --> round     --> easy to eat
   Spoon   --> curved    --> holds soup
   Window  --> high      --> safe + light
  

Mini Summary

Design is the plan behind a product. It decides how something works, how it looks, and how it helps people. Good design is not an accident. It is a choice.


Lesson 3: What Is Product Design?

Definition

Product design is the process of creating a product that solves a problem for people. It combines design thinking, creativity, and practical skills to make something useful, safe, and enjoyable.

Why It Is Important

Product design makes life better. It turns a problem into a solution. For example, people used to carry heavy buckets of water. Someone designed a tap and pipe system. Now water comes to the house. That is product design.

Simple Explanation

Product design is like being a problem-solver. You see a problem. You ask, "How can I make this easier?" Then you make a plan. Then you make the thing. Then you test it. Then you make it better.

Real-Life Example

The umbrella is a product design solution. Problem: rain makes you wet. Solution: a portable roof you can carry. The umbrella folds up so you can put it in your bag. That is product design.

School Example

Your school timetable is a product design solution. Problem: many subjects, many teachers, many students. Solution: a table that shows who goes where and when. It was designed to reduce confusion.

Home Example

The fridge is a product design solution. Problem: food spoils. Solution: a cold box that keeps food fresh. The shelves are designed to hold different sizes of food. The door is designed to seal in the cold.

Nigerian Example

Indomie noodles is a product design example. Problem: people need quick, affordable food. Solution: noodles that cook in 3 minutes. The pack is designed to be small and easy to carry. The seasoning is inside so you do not need to buy extra. That is clever product design.

Illustration

   Product Design Process (Simple)
   --------------------------------
   Problem  -->  Idea  -->  Plan  -->  Make  -->  Test  -->  Improve
      |           |          |         |          |          |
      V           V          V         V          V          V
   "I get wet"  Umbrella   Sketch   Build    Use it    Fix it
  

Mini Summary

Product design is the process of making products that solve problems. It starts with a problem and ends with a solution that people can use.


Lesson 4: Who Is a Product Designer?

Definition

A product designer is a person who designs products. They think about what people need. They draw plans. They make models. They test ideas. They work until the product is good.

Why It Is Important

Without product designers, we would still be using broken tools. Product designers improve things. They make them safer, faster, cheaper, or more beautiful.

Simple Explanation

A product designer is like a chef, an artist, and an engineer in one person. They cook up ideas. They draw them. They build them. They taste-test them (that means they try them out). Then they make them better.

Real-Life Example

The person who designed the Touchscreen phone is a product designer. They thought: "Buttons break. What if the screen is the button?" They worked with engineers to make it happen. Now we all use touchscreens.

School Example

If your school decides to build a new library, a product designer might help. They would ask: "How many students will use it? What books will they need? Where will they sit? How will they find books?" Then they design the library.

Home Example

Your mother is a product designer when she rearranges the kitchen. She thinks: "Where should the pots go so I can reach them easily? Where should the knives go so they are safe?" That is design thinking.

Nigerian Example

Aliko Dangote is not just a businessman. He is a product designer in a way. He saw that Nigeria needed cement. He designed a system to make and supply cement across the country. He thought about the product, the factories, and the delivery. That is product design at a large scale.

Illustration

   What a Product Designer Does
   -----------------------------
   Ask      -->  "What do people need?"
   Think    -->  "How can I solve it?"
   Draw     -->  "Let me sketch it."
   Build    -->  "Let me make a model."
   Test     -->  "Let me try it out."
   Improve  -->  "Let me make it better."
   Repeat   -->  "Keep going until it is great!"
  

Mini Summary

A product designer is a problem-solver who creates products people use. They ask questions, draw plans, build models, and keep improving.


Lesson 5: The Product Design Process (Step by Step)

Definition

The product design process is the set of steps a designer follows to create a product. It is like a map that guides you from "I have an idea" to "Here is the finished product."

Why It Is Important

Without steps, you might get lost. The process helps you stay organised. It makes sure you do not forget important things like testing or asking users.

Simple Explanation

Think of baking a cake. You do not just throw flour and eggs in a bowl and hope for the best. You follow steps: gather ingredients, mix, bake, cool, decorate. Product design is the same. You follow steps.

Real-Life Example

Imagine you want to design a new school bag. Step 1: Ask students what they carry. Step 2: Draw ideas. Step 3: Make a paper model. Step 4: Test it with books. Step 5: Fix problems. Step 6: Make the final bag.

School Example

Your teacher asks you to design a poster for the school play. You follow the same process. You ask: what is the play about? Who will see the poster? You sketch ideas. You choose colours. You show it to friends. You fix it. You print it. That is product design.

Home Example

You want to design a better way to store your shoes. Step 1: Count your shoes. Step 2: Think of ideas (rack, box, shelf). Step 3: Draw it. Step 4: Build a small model with cardboard. Step 5: Try it. Step 6: Make the real thing.

Nigerian Example

A Nigerian entrepreneur wants to design a solar-powered phone charger for people in areas with no electricity. Step 1: Talk to people. Step 2: Research solar panels. Step 3: Design the charger. Step 4: Build a prototype. Step 5: Test it in the sun. Step 6: Improve it. Step 7: Sell it.

Illustration

   The Product Design Process (Flowchart)
   ========================================
   [1] Understand the Problem
          |
          V
   [2] Research & Ask Users
          |
          V
   [3] Brainstorm Ideas
          |
          V
   [4] Sketch & Plan
          |
          V
   [5] Build a Prototype (model)
          |
          V
   [6] Test with Real People
          |
          V
   [7] Improve & Repeat
          |
          V
   [8] Final Product ๐ŸŽ‰
  

Mini Summary

The product design process is a step-by-step way to create products. It starts with understanding the problem and ends with a finished product. You repeat steps until the product is good.


Lesson 6: User Needs Come First

Definition

A user need is something a person must have or really wants in order to do something. It is the reason a product exists.

Why It Is Important

If you design something nobody needs, nobody will use it. It does not matter how beautiful it is. If it does not help people, it is not a good product.

Simple Explanation

Imagine you design a cup that cannot hold water. It looks nice. But nobody can drink from it. It does not meet the user need. A cup must hold water. That is the user need. Everything else comes after.

Real-Life Example

People need to charge their phones. That is a user need. So designers made power banks. People need to carry water. That is a user need. So designers made water bottles. User needs are the starting point.

School Example

Students need to write. That is a user need. So designers made pens, pencils, and exercise books. Students need to carry books. That is a user need. So designers made school bags with straps and pockets.

Home Example

Your family needs to keep food cold. That is a user need. So someone designed the fridge. Your family needs to cook. That is a user need. So someone designed the stove. Every product in your house started with a need.

Nigerian Example

In many Nigerian homes, people need to store water because water does not always flow from the tap. That is a user need. So designers made water storage tanks (like GeePee tanks). They are designed to be strong, stackable, and safe.

Illustration

   User Need --> Product
   ----------------------
   Need to carry water --> Water bottle
   Need to write       --> Pen
   Need to keep food   --> Fridge
   Need to travel      --> Car
   Need to learn       --> Book
  

Mini Summary

User needs are the reasons products exist. Always start with the user. Ask: "What do they need? How can I help?" That is the heart of product design.


Lesson 7: Good Design vs. Bad Design

Definition

Good design is when a product works well, looks nice, is safe, and makes people happy. Bad design is when a product is hard to use, breaks easily, or causes problems.

Why It Is Important

Knowing the difference helps you become a better designer. You learn what to do and what to avoid. You also learn to spot problems in everyday things.

Simple Explanation

Good design feels easy. Bad design feels frustrating. If you have to struggle to open a door, that is bad design. If a door opens smoothly when you push it, that is good design.

Real-Life Example

A good umbrella opens with one push. A bad umbrella breaks in the wind. A good chair is comfortable for hours. A bad chair makes your back hurt after 10 minutes.

School Example

A good school desk has a place for your bag and a flat surface for writing. A bad school desk is too small, wobbles, and has sharp edges. Good design helps you learn. Bad design distracts you.

Home Example

A good kitchen knife is sharp and has a comfortable handle. A bad kitchen knife is dull and slips. Good design keeps you safe. Bad design puts you in danger.

Nigerian Example

A good Nigerian recharge card has clear numbers and a scratch area that works. A bad recharge card has numbers that rub off before you can read them. Good design respects the user.

Comparison Table

Good Design Bad Design
Easy to use Confusing to use
Safe Dangerous
Strong and lasts Breaks quickly
Looks nice Looks messy
Solves a problem Creates problems

Illustration

   Good Design vs. Bad Design
   ---------------------------
   GOOD:  [ Door with flat plate ] --> Push --> Opens easily
   BAD:   [ Door with round knob ] --> Push --> Hand slips

   GOOD:  [ Chair with back support ] --> Sit --> Comfortable
   BAD:   [ Stool with no back ] --> Sit --> Back hurts
  

Mini Summary

Good design works, is safe, and makes people happy. Bad design causes problems. As a designer, always aim for good design.


Lesson 8: The Role of Creativity in Product Design

Definition

Creativity is the ability to think of new ideas or new ways of doing things. It is using your imagination to solve problems.

Why It Is Important

Without creativity, we would keep making the same things over and over. Creativity leads to better products. It leads to inventions. It leads to progress.

Simple Explanation

Creativity is like a muscle. The more you use it, the stronger it gets. You can practice by asking, "What if?" What if chairs had wheels? What if bags could charge phones? What if shoes could grow?

Real-Life Example

Someone asked, "What if a phone could also be a camera, a map, a music player, and a calculator?" That creativity led to the smartphone. One product, many uses.

School Example

Your teacher asks you to design a pencil case. You could make a simple box. Or you could make a pencil case that unfolds into a desk. That is creativity. You are thinking beyond the obvious.

Home Example

Your mother uses a plastic bottle to store oil. That is creativity. She saw a problem (no oil container) and used what she had. Product designers do the same thing, but on a bigger scale.

Nigerian Example

Nigerian engineers created Innoson vehicles, the first made-in-Nigeria cars. They were creative. They did not say, "We cannot make cars." They said, "How can we make cars here?" That is creativity.

Illustration

   Creativity in Action
   ---------------------
   Problem: Books fall off the desk.
   Idea 1: Put them on the floor. (Not great)
   Idea 2: Build a bookshelf. (Better)
   Idea 3: Design a desk with a built-in book slot. (Creative!)
  

Mini Summary

Creativity is thinking of new ideas. It is essential for product design. Practice by asking "What if?" and "How can I make this better?"


Lesson 9: What Is a Prototype?

Definition

A prototype is a simple, early model of a product. It is not the final thing. It is a way to test your idea before you spend time and money making the real product.

Why It Is Important

Prototypes help you find problems early. It is better to find a mistake in a cardboard model than in a real product that cost a lot of money. Prototypes save time, money, and frustration.

Simple Explanation

Think of a prototype like a rough draft of an essay. You write it, read it, fix it, and then write the final version. The prototype is your rough draft for a product.

Real-Life Example

Before car companies make thousands of cars, they make one prototype. They test it. They crash it (to see if it is safe). They fix problems. Then they make the real cars.

School Example

Before you write a final essay, you make an outline. That outline is like a prototype. It helps you organise your thoughts before you write the full essay.

Home Example

Before your mother cooks a big pot of soup for a party, she might cook a small pot first. She tastes it. She adds salt. That small pot is a prototype. She is testing before the big day.

Nigerian Example

A Nigerian fashion designer wants to make a new style of dress. She first makes a small version using cheap fabric. She checks the fit. She adjusts the design. That small version is a prototype. Then she makes the real dress.

Illustration

   Prototype Process
   ------------------
   Idea --> Sketch --> Cardboard Model --> Test --> Fix --> Final Product
             |              |              |        |
             V              V              V        V
          Rough         Simple         Try it   Make it
          drawing       model          out      better
  

Mini Summary

A prototype is an early model of a product. It helps you test ideas before making the real thing. Always prototype before you build.


Lesson 10: Testing Your Design

Definition

Testing is when you give your prototype to real people and watch how they use it. You ask them what they think. You look for problems and ways to improve.

Why It Is Important

You are not the user. What works for you might not work for others. Testing helps you see your design through other people's eyes. It is the best way to make your product better.

Simple Explanation

Imagine you design a new game. You think it is fun. But when your friends play it, they get confused. Testing shows you that the rules are not clear. Now you can fix them.

Real-Life Example

Before a new app is released, the makers give it to a small group of people. They watch how those people use it. They ask, "Was it easy? What was hard? What did you like?" Then they fix the app.

School Example

Your teacher asks you to design a poster. Before you print 50 copies, you show it to 5 classmates. You ask, "Can you read this? Is it clear? What do you think?" Their answers help you make a better poster.

Home Example

You cook a new dish. Before you serve it to the whole family, you ask your brother to taste it. "Is it too salty? Too spicy?" That is testing. You adjust before serving everyone.

Nigerian Example

A Nigerian tech company makes a new mobile app for buying airtime. Before launching, they test it with 50 people in Lagos, Kano, and Enugu. They find that some people cannot read the small text. They fix it. That is testing.

Illustration

   Testing Cycle
   --------------
   Design --> Prototype --> Test with Users --> Get Feedback --> Improve
      ^                                                              |
      |                                                              |
      +--------------------------------------------------------------+
                        (Repeat until great)
  

Mini Summary

Testing means giving your prototype to real people and learning from them. It helps you find problems and make your product better. Always test before you finalise.


Lesson 11: Design for Everyone (Inclusive Design)

Definition

Inclusive design means designing products that as many people as possible can use. This includes people with disabilities, older people, and people of different sizes.

Why It Is Important

Not everyone is the same. Some people cannot see well. Some cannot hear well. Some cannot walk. Some are very tall or very short. Good design considers everyone. It does not leave people out.

Simple Explanation

Imagine a building with only stairs. A person in a wheelchair cannot enter. That is not inclusive. Now imagine the same building with a ramp. Now everyone can enter. That is inclusive design.

Real-Life Example

Many phones have a "large text" setting. This helps people who cannot see small letters. Many TVs have subtitles. This helps people who cannot hear well. These are examples of inclusive design.

School Example

A good school has ramps for wheelchairs. It has books in large print for students with poor eyesight. It has quiet spaces for students who get overwhelmed by noise. That is inclusive design.

Home Example

A good kitchen has handles that are easy to grab. It has light switches that are easy to reach. It has clear labels on containers. This helps everyone, including older people and children.

Nigerian Example

Some Nigerian banks now have talking ATMs for blind people. The machine speaks the instructions. That is inclusive design. It makes banking possible for everyone.

Illustration

   Inclusive Design
   ----------------
   Stairs only  --> Some people cannot enter
   Stairs + Ramp --> Everyone can enter

   Small text only  --> Some people cannot read
   Small + Large text --> Everyone can read
  

Mini Summary

Inclusive design means making products that everyone can use. It considers people with different abilities and needs. Good design is for all.


Lesson 12: Sustainability in Product Design

Definition

Sustainability means making products in a way that does not harm the Earth. It means using materials that can be reused, recycled, or that do not pollute.

Why It Is Important

The Earth gives us materials like wood, water, and oil. If we use them carelessly, they will finish. Also, some materials like plastic take hundreds of years to break down. They pollute our land and water. Sustainable design protects our future.

Simple Explanation

Imagine you have a box of pencils. If you use them carefully, they last a long time. If you break them for fun, they finish quickly. Sustainability is about using resources carefully so they last.

Real-Life Example

Some companies make shoes from recycled plastic bottles. They collect bottles, melt them, and turn them into shoe material. That is sustainable design. It turns waste into something useful.

School Example

Your school might have a rule: "Use both sides of the paper." That is sustainability. It means using less paper so fewer trees are cut.

Home Example

Your family uses a cloth bag for shopping instead of plastic bags. That is sustainable. Cloth bags can be used many times. Plastic bags are often used once and thrown away.

Nigerian Example

Some Nigerian artisans make bags from old tyres. They cut and sew the tyres into strong, long-lasting bags. This is sustainable design. It turns waste into a product.

Illustration

   Sustainable vs. Non-Sustainable
   --------------------------------
   Non-Sustainable: Use once --> Throw away --> Pollute
   Sustainable:     Use many --> Reuse     --> Protect Earth
  

Mini Summary

Sustainability means designing products that do not harm the Earth. It means using materials wisely and reducing waste. Good design cares about the planet.


Lesson 13: How to Observe Like a Designer

Definition

Observation is watching carefully. A designer observes how people use things. They look for problems and opportunities to improve.

Why It Is Important

Many problems are hidden in plain sight. People do not always complain. They just struggle silently. A good designer watches and notices. Then they design a solution.

Simple Explanation

Imagine you are in a bus park. You watch people buy tickets. You notice that the ticket line is long. You notice that people get frustrated. You notice that the ticket seller is slow. That observation might lead you to design a faster ticket system.

Real-Life Example

Someone watched people in a supermarket. They noticed that people struggled to carry many bags. That observation led to the design of shopping trolleys with wheels.

School Example

Watch your classmates during break time. Do they struggle to open their lunch boxes? Do they drop food? Maybe the lunch boxes are badly designed. That observation could lead to a better lunch box design.

Home Example

Watch your grandmother use her phone. Does she struggle to see the screen? Does she press the wrong buttons? That observation could lead to a phone design with bigger buttons and larger text.

Nigerian Example

Watch people in a Nigerian market. They carry heavy loads on their heads. Someone observed this and designed head pads โ€” soft cloth rings that make carrying easier. That is design from observation.

Illustration

   Observe --> Notice Problem --> Think of Solution --> Design
      |             |                   |                |
      V             V                   V                V
   Watch        "This is hard"      "What if..."      Make it
   people       to do               we changed...     better
  

Mini Summary

Observation is watching carefully to find problems. Designers observe people, notice struggles, and design solutions. You can practice observation anywhere.


Lesson 14: Sketching and Drawing Ideas

Definition

Sketching is drawing quick, simple pictures of your ideas. It does not have to be perfect. It is just a way to get your thoughts out of your head and onto paper.

Why It Is Important

It is easier to explain an idea with a drawing than with words. Sketches help you remember your ideas. They help you share your ideas with others. They help you see problems in your design.

Simple Explanation

Imagine you want to build a treehouse. You could try to explain it with words: "It has a platform and a ladder and a roof..." But it is much easier to draw a quick picture. That picture is a sketch.

Real-Life Example

Before building a house, architects sketch many ideas. They sketch different room layouts. They sketch different roof shapes. They sketch until they find the best one.

School Example

Your teacher asks you to design a new school logo. You sketch five different ideas. Then you choose the best one and make it neat. That is how designers work.

Home Example

You want to rearrange your room. You sketch different ways to place your bed, table, and wardrobe. You try different layouts on paper before moving furniture. That is sketching.

Nigerian Example

Nigerian tailors sketch designs before sewing. They draw the style on paper. They show the customer. The customer says, "I like this" or "Change this part." Then they sew. That is sketching in real life.

Illustration

   Sketching Ideas
   ----------------
   Idea 1:  [____]     Idea 2:  [  ]     Idea 3:  /\
            |    |              |  |              /  \
            |____|              |  |             /____\
   (Simple box)          (Tall box)      (House shape)
  

Mini Summary

Sketching is drawing quick ideas. It helps you think, remember, and share. You do not need to be an artist. You just need to put your ideas on paper.


Lesson 15: From Idea to Product (Putting It All Together)

Definition

This lesson is a review. It shows how all the pieces fit together. We start with a problem. We observe. We think of ideas. We sketch. We prototype. We test. We improve. Finally, we have a product.

Why It Is Important

Seeing the whole journey helps you understand product design. It is not just one thing. It is a process. Each step matters.

Simple Explanation

Think of it like a relay race. One runner passes the baton to the next. In product design, one step passes to the next. If you skip a step, you might drop the baton. The process keeps you on track.

Real-Life Example

The ballpoint pen was invented because someone was tired of ink leaking. They observed the problem. They sketched ideas. They made prototypes. They tested. They improved. Now we have cheap, reliable pens.

School Example

Your class wants to design a better way to keep the classroom tidy. You observe the problem (messy desks). You brainstorm ideas. You sketch a desk organiser. You make one from cardboard. You test it. You improve it. Then you make the real thing.

Home Example

Your family needs a better way to organise shoes. You observe the mess. You think of ideas. You sketch a shoe rack. You build a small model. You test it. You fix problems. You build the final rack. That is product design from start to finish.

Nigerian Example

A Nigerian entrepreneur wants to solve the problem of cooking smoke in rural kitchens. They observe the problem. They research clean cookstoves. They sketch designs. They build a prototype. They test it with real families. They improve it. Finally, they produce clean cookstoves that use less wood and produce less smoke. That is product design changing lives.

Illustration

   The Full Journey
   =================
   [Problem] --> [Observe] --> [Ideas] --> [Sketch] --> [Prototype]
        |            |            |           |             |
        V            V            V           V             V
   "This is      Watch       "What if     Draw it      Build a
    hard"        people       we..."       quickly      model
                                                           |
                                                           V
   [Final Product] <-- [Improve] <-- [Test] <-- [Feedback]--+
        |
        V
   "This works! ๐ŸŽ‰"
  

Mini Summary

Product design is a journey from problem to solution. It involves observing, thinking, sketching, prototyping, testing, and improving. When you follow the process, you create products that help people.


Key Vocabulary

Word Simple Definition
Product Anything made for people to use.
Design The plan behind how something is made.
Product Design Creating a product that solves a problem for people.
Product Designer A person who designs products.
User The person who uses a product.
User Need Something a person must have or really wants.
Prototype An early, simple model of a product.
Testing Giving a prototype to people and watching how they use it.
Inclusive Design Designing products that everyone can use.
Sustainability Making products in a way that does not harm the Earth.
Observation Watching carefully to find problems.
Sketching Drawing quick, simple pictures of ideas.
Creativity Thinking of new ideas or new ways of doing things.
Feedback What people say about your product after using it.
Iteration Doing something again and again to make it better.

Important Concepts

  • User-first thinking: Always start with the person who will use the product. What do they need? What problems do they have?
  • The design process: Problem โ†’ Observe โ†’ Ideas โ†’ Sketch โ†’ Prototype โ†’ Test โ†’ Improve โ†’ Final Product.
  • Good design is invisible: When a product works perfectly, you do not notice it. You just use it. Bad design makes you notice because it frustrates you.
  • Prototyping saves money: It is cheaper to fix a cardboard model than a real product.
  • Testing is not failure: When someone finds a problem in your prototype, they are helping you. It is a gift.
  • Inclusive design is good business: When you design for everyone, more people can use your product.
  • Sustainability matters: Design with the Earth in mind. Use materials wisely.

Step-by-Step Explanations

How to Design a Simple Product (Step by Step)

  1. Find a problem. Look around you. What is difficult? What is annoying? What takes too long?
  2. Observe people. Watch how people deal with the problem. Ask them questions. Listen to their answers.
  3. Think of ideas. Write down or draw as many ideas as you can. Do not judge them yet. Just let your creativity flow.
  4. Choose the best idea. Look at your ideas. Which one solves the problem best? Which one is easiest to make?
  5. Sketch your idea. Draw it clearly. Label the parts. Show how it works.
  6. Make a prototype. Use cardboard, paper, tape, or anything you have. Build a simple model of your idea.
  7. Test it. Give it to someone. Watch them use it. Ask them what they think.
  8. Improve it. Fix the problems you found. Make it better.
  9. Repeat steps 6โ€“8. Keep testing and improving until you are happy with it.
  10. Make the final product. Use stronger materials. Make it neat. Share it with the world!

Real-Life Examples

  • Smartphone: Designed to combine a phone, camera, map, music player, and more into one device.
  • Traffic light: Designed to control traffic and prevent accidents at junctions.
  • Water bottle: Designed to carry water easily. Has a cap to prevent spills.
  • School bag: Designed with straps, pockets, and compartments to carry books comfortably.
  • Umbrella: Designed to keep you dry in the rain. Folds up for easy carrying.

Nigerian Examples

  • Keke Napep: A three-wheeled vehicle designed for narrow roads and easy manoeuvring.
  • Indomie noodles: Quick-cooking noodles designed for busy people. The seasoning is inside the pack.
  • GeePee water tank: Designed to store water safely and stack easily.
  • Nigerian passport: Designed with security features to prevent forgery.
  • Innoson vehicles: Made-in-Nigeria cars designed for Nigerian roads and conditions.
  • Head pads: Soft rings used when carrying loads on the head. Designed to reduce pain.

Fun Examples Children Can Relate To

  • Video game controller: Designed with buttons in easy-to-reach places. The shape fits your hands.
  • Lego blocks: Designed to connect in many ways. The bumps and holes are carefully made.
  • Bicycle: Designed with two wheels, a seat, and pedals. The brakes are designed for safety.
  • Ice cream cone: Designed to hold ice cream and be eaten. The cone is edible!
  • Pencil with eraser: Designed so you can write and erase without needing two separate tools.

Everyday Examples

  • Toothbrush: Designed with bristles to clean teeth and a handle to hold.
  • Plate: Designed round with a rim to keep food from falling off.
  • Cup: Designed with a handle so you do not burn your hand.
  • Door: Designed to open and close, keeping out noise and weather.
  • Shoe: Designed to protect your feet and help you walk comfortably.
  • Comb: Designed with teeth to untangle hair.

Parent Tips

  • Encourage your child to ask questions about everyday objects. "Why is this shaped like this?" "What problem does this solve?"
  • When something breaks at home, instead of throwing it away, ask your child: "How could this be designed better?"
  • Let your child help with simple design tasks at home, like arranging a shelf or planning a meal.
  • Praise your child's creative ideas, even if they seem silly. Creativity grows with encouragement.
  • Watch design-related shows or videos together. Talk about how things are made.
  • Provide simple materials for prototyping: cardboard, tape, scissors, paper, glue.

Interesting Facts

  • The first wheel was invented over 5,000 years ago. It was a product design revolution!
  • The humble paperclip was designed in the 1800s and has barely changed since. That is good design.
  • The design of the Coca-Cola bottle is so unique that you can recognise it just by touching it in the dark.
  • The iPhone was designed with a multi-touch screen. Before that, phones had buttons. The design changed how we use phones.
  • The Nigerian Nollywood film industry is a product design example. It was designed to tell Nigerian stories in a way Nigerians could relate to.

Did You Know?

  • Did you know that the design of a spoon is different in different cultures? Some spoons are deep for soup. Some are flat for rice.
  • Did you know that the first computer mouse was made of wood?
  • Did you know that the design of a bus is different in different countries? In some places, buses have two floors. In others, they are long and bendy.
  • Did you know that the design of a school desk has changed over time? Old desks had ink wells. New desks have space for laptops.
  • Did you know that the design of a football is not just a ball? It is designed to be visible, durable, and to fly straight.

Remember This

  • Product design is about solving problems for people.
  • Always start with the user.
  • Good design works, is safe, and is enjoyable.
  • Prototypes help you test ideas before making the real thing.
  • Testing is not failure. It is learning.
  • Design for everyone, including people with different abilities.
  • Think about the Earth when you design.
  • Observe, sketch, prototype, test, improve, repeat.

Common Mistakes

  • Designing for yourself only: Just because you like it does not mean others will. Always ask users.
  • Skipping the prototype: Going straight to the final product often leads to expensive mistakes.
  • Not testing: Assuming your design is perfect without testing it with real people.
  • Ignoring feedback: Getting feedback but not using it to improve.
  • Forgetting inclusivity: Designing only for people like yourself.
  • Ignoring sustainability: Using materials that harm the Earth without thinking about it.

Best Practices

  • Always start with the user. Ask questions. Listen.
  • Sketch many ideas before choosing one.
  • Prototype early and often.
  • Test with real people in real situations.
  • Be open to feedback. Do not take criticism personally.
  • Design for everyone.
  • Think about sustainability.
  • Keep improving. Iterate until it is great.
  • Document your process. Take photos. Write notes.
  • Celebrate your progress!

More ASCII Illustrations

Design Process Timeline

   Week 1: Understand the problem
   Week 2: Observe and research
   Week 3: Brainstorm ideas
   Week 4: Sketch and plan
   Week 5: Build prototype
   Week 6: Test with users
   Week 7: Improve and repeat
   Week 8: Final product ๐ŸŽ‰
  

Good Design vs. Bad Design Flowchart

   Product
      |
      V
   Does it work? --No--> Bad Design
      |
     Yes
      |
      V
   Is it safe? --No--> Bad Design
      |
     Yes
      |
      V
   Is it easy to use? --No--> Bad Design
      |
     Yes
      |
      V
   Good Design โœ…
  

User Need to Product

   User Need: "I am thirsty."
        |
        V
   Product: Water bottle
        |
        V
   Design: Cap, body, label
        |
        V
   Test: Does it leak? Is it easy to hold?
        |
        V
   Improve: Better cap, better grip
  

Comparison Tables

Prototype vs. Final Product

Prototype Final Product
Made quickly Made carefully
Uses cheap materials Uses strong materials
May look rough Looks neat
Used for testing Used by real people
Can be changed easily Hard to change

Good Design vs. Bad Design

Good Design Bad Design
Easy to use Confusing
Safe Dangerous
Strong Breaks easily
Looks nice Looks messy
Solves a problem Creates problems

Summary After Every Lesson

Lesson 1 Summary

A product is anything made for people to use. If someone made it, it is a product.

Lesson 2 Summary

Design is the plan behind a product. It decides how something works and looks.

Lesson 3 Summary

Product design is creating a product that solves a problem for people.

Lesson 4 Summary

A product designer is a problem-solver who creates products people use.

Lesson 5 Summary

The product design process is a step-by-step way to create products.

Lesson 6 Summary

User needs are the reasons products exist. Always start with the user.

Lesson 7 Summary

Good design works, is safe, and makes people happy. Bad design causes problems.

Lesson 8 Summary

Creativity is thinking of new ideas. It is essential for product design.

Lesson 9 Summary

A prototype is an early model of a product. It helps you test ideas.

Lesson 10 Summary

Testing means giving your prototype to real people and learning from them.

Lesson 11 Summary

Inclusive design means making products that everyone can use.

Lesson 12 Summary

Sustainability means designing products that do not harm the Earth.

Lesson 13 Summary

Observation is watching carefully to find problems. Designers observe people.

Lesson 14 Summary

Sketching is drawing quick ideas. It helps you think, remember, and share.

Lesson 15 Summary

Product design is a journey from problem to solution. Follow the process.


End-of-Module Summary

Congratulations! You have completed Module One: What Is Product Design? You have learned a lot. Let us review.

  • A product is anything made for people to use.
  • Design is the plan behind how something is made.
  • Product design is creating products that solve problems.
  • A product designer is a problem-solver.
  • The design process has steps: understand, observe, ideate, sketch, prototype, test, improve.
  • User needs come first. Always.
  • Good design works, is safe, and is enjoyable.
  • Creativity helps you think of new ideas.
  • Prototypes are early models for testing.
  • Testing helps you find problems and improve.
  • Inclusive design considers everyone.
  • Sustainability protects the Earth.
  • Observation helps you find problems.
  • Sketching helps you share ideas.
  • The whole process helps you create products that help people.

You are now thinking like a designer. You can look at everyday objects and ask, "Why is it like this? How could it be better?" That is the first step to becoming a great product designer.


Frequently Asked Questions (10 Questions)

  1. What is product design?
    Product design is creating a product that solves a problem for people.
  2. Do I need to be good at drawing?
    No. Sketching is just for you. It does not have to be perfect. It is about getting ideas on paper.
  3. What is a prototype?
    A prototype is an early, simple model of a product.
  4. Why do we test products?
    We test to find problems and make the product better.
  5. What is a user need?
    A user need is something a person must have or really wants.
  6. What is inclusive design?
    Inclusive design means making products that everyone can use, including people with disabilities.
  7. What is sustainability in design?
    It means designing products that do not harm the Earth.
  8. Can I be a product designer?
    Yes! If you like solving problems and helping people, you can be a product designer.
  9. What is the most important step in product design?
    Understanding the user. If you do not know what people need, you cannot design for them.
  10. How can I practice product design?
    Look around you. Find a problem. Think of a solution. Sketch it. Make a prototype. Test it. Improve it. That is practice.

Matching Exercises

Match the word on the left with its definition on the right.

Word Definition
1. Product A. An early model of a product
2. Design B. Anything made for people to use
3. Prototype C. The plan behind how something is made
4. User Need D. Designing for everyone
5. Inclusive Design E. Something a person must have or really wants

Answers: 1-B, 2-C, 3-A, 4-E, 5-D


Scenario-Based Exercises

Scenario 1: The Broken School Chair

You notice that many chairs in your classroom are broken. The legs wobble. The seat is cracked. Students are uncomfortable.

Questions:

  1. What is the problem?
  2. Who are the users?
  3. What could be a better design for the chair?
  4. How would you test your new chair design?

Scenario 2: The Water Bottle That Leaks

Your friend has a water bottle. It leaks in her bag. Her books get wet.

Questions:

  1. What is the user need?
  2. What is the problem with the current design?
  3. How could the bottle be redesigned?
  4. What materials would you use?

Scenario 3: The Busy Market

You visit a market in Lagos. It is crowded. People are pushing. It is hard to move.

Questions:

  1. What problems do you observe?
  2. How could the market be designed better?
  3. What would you change first?

Group Activity

Activity: Design a Better Pencil Case

  1. Form groups of 4โ€“5 students.
  2. Each group discusses: What are the problems with current pencil cases?
  3. Brainstorm ideas for a better pencil case.
  4. Sketch your best idea on a large sheet of paper.
  5. Build a simple prototype using cardboard and tape.
  6. Present your prototype to the class.
  7. Explain: What problem does it solve? Who is it for?
  8. Other groups give feedback.

Individual Activity

Activity: Observe and Improve

  1. Choose one object in your home (e.g., a spoon, a chair, a bag).
  2. Observe how it is used. Watch someone use it.
  3. Write down three problems with the object.
  4. Sketch three ideas to improve it.
  5. Choose the best idea and explain why.
  6. Share your work with your teacher or parent.

Mini Project

Project: Design a Useful Object for Your Home

  1. Identify a problem in your home. (Example: shoes are scattered.)
  2. Observe how your family deals with the problem.
  3. Think of three possible solutions.
  4. Sketch your best solution.
  5. Build a prototype using cardboard, paper, or other materials.
  6. Test it with your family. Ask for feedback.
  7. Improve your prototype based on feedback.
  8. Present your project to your class or family.

Practical Assignment

Assignment: Redesign a Common Object

  1. Choose one object: a pen, a cup, a bag, or a chair.
  2. Write a short report (1 page) that includes:
    • What is the object?
    • Who uses it?
    • What are its problems?
    • What is your redesign idea?
    • Draw your redesign.
    • Explain how your redesign is better.
  3. Submit your report and drawing to your teacher.

Key Takeaways

  • Product design is about solving problems for people.
  • Always start with the user and their needs.
  • Follow the design process: observe, ideate, sketch, prototype, test, improve.
  • Prototypes and testing are essential for good design.
  • Good design is inclusive and sustainable.
  • Observation and sketching are powerful designer tools.
  • Creativity can be practiced and improved.
  • Everyone can learn to think like a designer.

Classroom Discussion Questions

  1. What is your favourite product? Why do you like it?
  2. Can you think of a product that is badly designed? What is wrong with it?
  3. How would you redesign a school bag to make it better?
  4. Why is it important to test a product before selling it?
  5. What does inclusive design mean? Can you give an example?
  6. How can designers help protect the environment?
  7. What is the difference between a prototype and a final product?
  8. Why is observation important for a designer?
  9. Can you think of a problem in your community that design could solve?
  10. What did you enjoy most in this module?

Preparation for the Next Module

In Module Two, we will go deeper into the design process. We will learn how to talk to users, how to understand their needs better, and how to turn those needs into design ideas.

Before the next module, try this:

  • Observe one object in your home for one week. Notice how it is used.
  • Write down any problems you see with it.
  • Think of one idea to improve it.
  • Bring your notes to the next class.

Get ready to dive deeper into the world of product design. See you in Module Two!


End of Module One: What Is Product Design?

3

Module Two

Module Two: Understanding Users and Their Needs

Module Two: Understanding Users and Their Needs


Introduction

Welcome to Module Two! In Module One, we learned what product design is. We learned that product design is about solving problems for people. We also learned that the user must always come first.

But here is a big question: How do we know what the user needs? We cannot just guess. We cannot just assume that everyone likes what we like. We have to ask. We have to watch. We have to listen. That is what this module is all about.

In this module, we will learn how to understand people. We will learn how to find out what they really need. We will learn how to turn those needs into design ideas. This is the most important part of product design. If you get this right, everything else becomes easier.

Let us begin this journey together. By the end of this module, you will know how to talk to users, how to observe them, and how to use what you learn to create better products.


Learning Objectives

After finishing this module, you should be able to:

  1. Explain why understanding users is important in product design.
  2. Describe what user research is and why it matters.
  3. Ask good questions to learn about user needs.
  4. Observe people and notice problems they face.
  5. Create simple user personas.
  6. Write a clear problem statement.
  7. Use brainstorming to come up with many ideas.
  8. Organise and choose the best ideas.
  9. Give examples of user research from Nigeria and around the world.
  10. Practice empathy and put yourself in someone else's shoes.

Warm-up Story: Chidi and the Broken Wheelbarrow

Chidi is a 13-year-old boy who lives in a village near Aba. His father is a farmer. Every day, his father uses a wheelbarrow to carry yams from the farm to the market.

One day, the wheelbarrow broke. The wheel came off. His father was very sad. He could not carry as many yams. He had to make many trips. It took all day.

Chidi wanted to help. He said, "Papa, let me design a better wheelbarrow for you."

His father laughed. "You? You are just a boy."

But Chidi was serious. He started watching his father use the wheelbarrow. He noticed that his father had to bend low to lift it. He noticed that the handles hurt his father's hands. He noticed that the wheel got stuck in mud.

Chidi asked his father questions. "Papa, does your back hurt? Do your hands pain you? What happens when it rains?"

His father was surprised. "You are asking good questions, my son. Yes, my back hurts. Yes, my hands pain me. And when it rains, the wheel gets stuck. I have to pull and pull."

Chidi took notes. He drew pictures. He thought about solutions. He designed a wheelbarrow with a longer handle so his father would not bend so low. He added soft grips to the handles. He made the wheel wider so it would not sink in mud.

He built a small model using wood and old bicycle parts. His father tested it. It was not perfect. But it was better. His father smiled. "Chidi, you have listened to me. You have watched me. You have designed something for me. That is what good designers do."

That is what we will learn in this module: how to listen, how to watch, and how to understand what people need.

   Chidi's Design Journey
        |
        V
   Notices father's problem
        |
        V
   Watches father use wheelbarrow
        |
        V
   Asks questions
        |
        V
   Takes notes and draws
        |
        V
   Designs a better wheelbarrow
        |
        V
   Builds a model
        |
        V
   Father tests it
        |
        V
   It works better! ๐ŸŽ‰
  

Main Lessons

Lesson 1: What Is User Research?

Definition

User research is the process of learning about the people who will use your product. It means finding out what they need, what they like, what they dislike, and what problems they have.

Why It Is Important

Imagine you want to design a new shoe. You design it in your size. It fits you perfectly. But then you try to sell it. Nobody buys it. Why? Because you only designed for yourself. You did not research what other people need. User research stops you from making this mistake.

Simple Explanation

User research is like being a detective. You ask questions. You look for clues. You try to understand people. The better you understand them, the better you can design for them.

Real-Life Example

A company wants to design a new toothbrush for children. They do user research. They watch children brush their teeth. They ask children what they like. They find out that children want toothbrushes in bright colours with fun shapes. So they design a toothbrush that is bright and fun. The children love it. That is user research.

School Example

Your school wants to design a new library. Before they build it, they do user research. They ask students: "What books do you want? Where do you like to read? Do you need more tables? Do you need quiet spaces?" They ask teachers too. Then they design the library based on what they learned.

Home Example

Your mother wants to buy a new cooking pot. She does user research. She asks her friends: "Which pot is good? Which one lasts long? Which one is easy to clean?" She reads reviews online. She goes to the market and asks the seller questions. Then she buys the best pot. That is user research.

Nigerian Example

A Nigerian company wants to design a new mobile app for buying recharge cards. They do user research. They travel to Lagos, Kano, and Enugu. They ask people: "How do you buy recharge cards now? What is difficult about it? What would make it easier?" They find out that many people do not have bank accounts. So they design an app that accepts cash. That is user research.

Illustration

   User Research Process
   ----------------------
   Ask Questions --> Listen --> Observe --> Learn --> Design
        |             |          |          |          |
        V             V          V          V          V
   "What do       Hear       Watch      Understand  Make
    you need?"    answers    actions    needs       better
  

Mini Summary

User research is learning about the people who will use your product. It helps you design things they actually need and want. Always do research before you design.


Lesson 2: Why Do We Need User Research?

Definition

We need user research because we are not the user. We might think we know what people need, but we are often wrong. User research gives us the truth.

Why It Is Important

Without user research, you might design something nobody wants. You might waste time, money, and effort. User research saves you from these mistakes. It helps you design products that people actually need and will buy.

Simple Explanation

Imagine you want to buy a gift for your friend. You could guess what they like. But it is much better to ask them or watch them. User research is like asking before you buy. It makes sure you get it right.

Real-Life Example

A company designed a new bottle for water. They thought it was beautiful. But when they gave it to people, the bottle was too slippery. People dropped it. The company had to redesign it. If they had done user research first, they would have known to make the bottle easier to hold.

School Example

Your class wants to design a new notice board. You could just build it. But if you do user research, you will find out that students want a board that is easy to read, has sections for different classes, and is protected from rain. That research helps you design a much better notice board.

Home Example

Your family wants to buy a new sofa. You could just pick one. But if you do user research, you will ask: "Who will sit on it? How many people? Do we need it to fold into a bed? Is it easy to clean?" These questions help you choose the right sofa.

Nigerian Example

A Nigerian entrepreneur wants to design a new food delivery service. Before starting, they do user research. They ask people: "Would you use a food delivery service? How much would you pay? What food would you order?" They find out that people want affordable meals and fast delivery. They design their service around these needs. That is why user research matters.

Illustration

   Without User Research          With User Research
   ----------------------          -------------------
   Guess --> Design --> Fail     Ask --> Design --> Succeed
      |        |        |          |        |         |
      V        V        V          V        V         V
   "I think   Make it  Nobody     "What    Make it   People
    they..."  wrong    buys it    do you   right     love it
                                   need?"
  

Mini Summary

User research is important because it stops us from guessing. It helps us design products that people really need. Without it, we might waste time and money on things nobody wants.


Lesson 3: How to Ask Good Questions

Definition

Asking good questions is a skill. A good question helps you learn something useful. A bad question gives you useless answers. In user research, we ask open questions, not yes or no questions.

Why It Is Important

If you ask, "Do you like this?" people will say yes or no. That does not tell you much. But if you ask, "What do you like about this?" people will give you details. Details help you design better.

Simple Explanation

Good questions start with words like: what, how, why, when, where. These are called open questions. They invite people to talk. Bad questions start with: do, did, is, are. These are closed questions. They only give you short answers.

Real-Life Example

A designer wants to know about your morning routine. A bad question: "Do you eat breakfast?" (Answer: yes or no) A good question: "What do you eat for breakfast? How do you decide? What makes it easy or hard?" The good question gives much more information.

School Example

You want to design a better school bag. You ask students: "What do you carry in your bag? How heavy is it? What is annoying about your current bag? What would make a bag better for you?" These questions help you understand what students need.

Home Example

You want to design a better kitchen spoon. You ask your mother: "What do you cook most often? How do you use a spoon? What do you not like about your current spoons? What would make a spoon easier to use?" Her answers help you design a better spoon.

Nigerian Example

A designer wants to make a better cooking stove for rural families. They ask: "What do you use for cooking now? How much firewood do you use? How long does it take to cook? What is difficult about cooking this way? What would make cooking easier?" These questions help them design a stove that meets real needs.

Comparison Table: Good Questions vs. Bad Questions

Bad Questions (Closed) Good Questions (Open)
Do you like this bag? What do you like or dislike about this bag?
Is this easy to use? How do you use this? What is easy or hard?
Do you want a new phone? What do you use your phone for? What frustrates you?
Are you happy with your chair? How do you feel after sitting for a long time?

Illustration

   Open vs. Closed Questions
   --------------------------
   Closed: "Do you like it?" --> Yes/No --> Little info
   Open:   "What do you like?" --> Story --> Lots of info
  

Mini Summary

Good questions are open. They start with what, how, why, when, where. They help people share their thoughts and feelings. Ask open questions to learn what people really need.


Lesson 4: The Power of Observation

Definition

Observation is watching people carefully. It means looking at what they do, not just what they say. Sometimes people say one thing but do another. Observation shows you the truth.

Why It Is Important

People do not always know what they need. They might not be able to explain it. But if you watch them, you can see their struggles. You can see where they get stuck. You can see what makes them happy. Observation gives you clues that words cannot.

Simple Explanation

Imagine you want to design a better door. You could ask people, "Is the door easy to use?" They might say yes. But if you watch them, you might see them push when they should pull. That tells you the door is confusing. Observation shows you what questions cannot.

Real-Life Example

A designer watched people use a new coffee machine. People kept pressing the wrong button. They looked confused. The designer realised the buttons were not labelled clearly. They redesigned the machine with better labels. That is the power of observation.

School Example

Watch your classmates during break time. Do they struggle to open their lunch boxes? Do they drop food? Do they have a place to sit? Observation helps you see problems that you can design solutions for.

Home Example

Watch your grandmother use her phone. Does she struggle to see the screen? Does she press the wrong buttons? Does she ask for help often? Observation helps you understand what she needs in a phone.

Nigerian Example

Watch people in a Nigerian market. They carry heavy loads on their heads. They walk long distances. They sell in the hot sun. A designer observed this and created head pads โ€” soft cloth rings that make carrying loads easier. That is observation leading to design.

Illustration

   Observation in Action
   ----------------------
   Watch --> Notice --> Understand --> Design
      |         |            |            |
      V         V            V            V
   See        "This is     "They need   Make it
   people     hard"        a better     better
                           way"
  

Mini Summary

Observation is watching people carefully. It shows you what people do, not just what they say. Observation helps you find problems and design solutions.


Lesson 5: What Is Empathy?

Definition

Empathy is the ability to understand how someone else feels. It means putting yourself in their shoes. It means feeling what they feel.

Why It Is Important

Empathy helps you design with heart. When you understand how people feel, you can design products that make them feel better. You can design products that reduce frustration and increase joy.

Simple Explanation

Imagine your friend is sad. You sit with them. You listen. You try to understand why they are sad. That is empathy. In design, empathy means understanding your user's feelings. Are they frustrated? Confused? Happy? Angry? Their feelings tell you what to design.

Real-Life Example

A designer wants to make a new hospital waiting room. They practice empathy. They imagine: "If I were sick or worried, what would I want? I would want comfortable chairs. I would want quiet. I would want clear information." They design the waiting room with these things in mind. That is empathy in design.

School Example

A new student joins your class. They look confused and scared. You remember how you felt on your first day. You help them. That is empathy. In design, you think: "How would a new student feel using this? What would help them?"

Home Example

Your younger brother cannot reach the kitchen counter. You remember being small. You understand his frustration. You design a small stool for him. That is empathy in action.

Nigerian Example

A designer wants to make a better danfo (yellow bus) experience in Lagos. They practice empathy. They imagine: "If I were a passenger, what would I want? I would want to know the price. I would want to be comfortable. I would want to know my stop." They design a bus with clear price signs, comfortable seats, and stop announcements. That is empathy.

Illustration

   Empathy Map (Simple)
   ---------------------
   What do they SEE? --> What do they HEAR?
          |                     |
          V                     V
   What do they THINK? --> What do they FEEL?
          |                     |
          V                     V
   What do they SAY? --> What do they DO?
          |                     |
          V                     V
   Understand their world --> Design for them
  

Mini Summary

Empathy is understanding how others feel. It helps you design with heart. When you know how users feel, you can design products that make their lives better.


Lesson 6: Creating User Personas

Definition

A user persona is a made-up person who represents a group of real users. It is like a character in a story. We give them a name, an age, a job, and a problem. Then we design for that person.

Why It Is Important

Personas help you focus. Instead of designing for "everyone," you design for a specific person. It is easier to make decisions when you know who you are designing for.

Simple Explanation

Imagine you want to design a new school bag. If you design for "everyone," you will get confused. But if you create a persona like "Ada, age 13, walks 30 minutes to school, carries 5 books, and has a bad back," you know exactly what to design. You need a bag with good support, comfortable straps, and enough space for 5 books.

Real-Life Example

A company wants to design a new phone. They create a persona: "Mama Ngozi, age 55, lives in Enugu, uses her phone for calls and WhatsApp, has trouble seeing small text, and wants a long battery life." Now they know to design a phone with big text, loud volume, and a strong battery.

School Example

Your class wants to design a new school canteen. Create a persona: "Emeka, age 14, plays football, is always hungry, has only 50 naira, and wants food that is filling." Now you know to design a canteen with cheap, filling food that is served quickly.

Home Example

Your family wants to buy a new TV. Create a persona: "Papa, age 50, likes watching news, has trouble hearing, and sits far from the TV." Now you know to buy a TV with good sound and a clear picture.

Nigerian Example

A designer wants to create a new banking app for Nigerians. They create a persona: "Tunde, age 28, lives in Lagos, works as a tailor, uses a smartphone, has a bank account, but has poor network in his shop." Now the designer knows the app must work offline and use little data.

Illustration

   User Persona Template
   ----------------------
   Name: Ada
   Age: 13
   Location: Enugu
   Job: Student
   Needs: Light bag, comfortable straps
   Problems: Back pain, too many books
   Goal: Get to school without pain

   "I want a bag that does not hurt my back."
  

Mini Summary

A user persona is a made-up person who represents real users. It helps you focus your design. Create personas with names, ages, needs, and problems.


Lesson 7: Writing a Problem Statement

Definition

A problem statement is a clear sentence that describes the problem you want to solve. It says who has the problem, what the problem is, and why it matters.

Why It Is Important

If you do not know the problem, you cannot solve it. A problem statement keeps you focused. It stops you from designing things that do not matter.

Simple Explanation

A problem statement is like a target. It tells you where to aim. For example: "Students in rural Nigeria need a way to study at night because they have no electricity." That is a problem statement. Now you know what to design.

Real-Life Example

A designer wants to help people with bad eyesight. Their problem statement: "Many older people cannot read small text on their phones, so they miss important messages." Now they know to design a phone with larger text.

School Example

Your school has a problem. Students arrive late because the buses are full. Problem statement: "Students who take the bus to school often arrive late because the buses are too full and they have to wait for the next one." Now you can design a solution.

Home Example

Your family has a problem. The kitchen is too small. Problem statement: "Our family of six has a small kitchen, so it is hard to cook and store food." Now you can think of solutions.

Nigerian Example

A Nigerian designer wants to help farmers. Problem statement: "Small-scale farmers in Nigeria lose money because they cannot store their crops properly after harvest." Now they can design a storage solution.

Illustration

   Problem Statement Formula
   --------------------------
   [Who] needs a way to [what]
   because [why].

   Example:
   Students need a way to study at night
   because they have no electricity.
  

Mini Summary

A problem statement describes the problem clearly. It says who has the problem and why it matters. Always write a problem statement before you design.


Lesson 8: Brainstorming Ideas

Definition

Brainstorming is thinking of as many ideas as possible in a short time. It is about quantity, not quality. The more ideas you have, the better your chances of finding a great one.

Why It Is Important

If you only think of one idea, you might miss a better one. Brainstorming opens your mind. It lets you explore different possibilities. It helps you think creatively.

Simple Explanation

Imagine you want to design a better way to carry water. Brainstorming: "Bucket, bottle, tank, pipe, hose, backpack, trolley, wheelbarrow, cart, donkey..." You write down everything, even silly ideas. Later, you choose the best ones.

Real-Life Example

A company wants to design a new toy for children. They brainstorm: "A toy that talks, a toy that moves, a toy that teaches, a toy that sings, a toy that changes colour..." They explore many ideas. Then they choose the best one.

School Example

Your class wants to design a new playground. Brainstorm: "Swings, slides, climbing frames, sandbox, basketball court, garden, maze..." Write down all ideas. Then discuss which ones are possible.

Home Example

Your family wants to save electricity. Brainstorm: "Turn off lights, use solar panels, use candles, use rechargeable lamps, use less hot water..." Write down all ideas. Then choose the best ones.

Nigerian Example

A Nigerian designer wants to reduce plastic waste. Brainstorm: "Bags from old tyres, bottles from glass, wrappers from cloth, containers from clay, packaging from banana leaves..." Many ideas. Then they choose the best ones.

Illustration

   Brainstorming Rules
   --------------------
   1. No judging ideas
   2. Think of many ideas
   3. Build on others' ideas
   4. Be wild and creative
   5. Write everything down

   Problem: "How to carry water?"
   Ideas:  bucket, bottle, tank, pipe, hose,
           backpack, trolley, wheelbarrow, cart
  

Mini Summary

Brainstorming is thinking of many ideas. Do not judge them yet. Write them all down. Later, choose the best ones. The more ideas, the better.


Lesson 9: Organising and Choosing Ideas

Definition

After brainstorming, you have many ideas. Now you must organise them and choose the best ones. This is called idea selection.

Why It Is Important

You cannot build all your ideas at once. You must choose. Organising helps you see which ideas are similar. Choosing helps you focus on the most promising ones.

Simple Explanation

Imagine you have 50 ideas. You group them into categories: "cheap," "expensive," "easy to make," "hard to make." Then you choose ideas that are both good and possible. That is idea selection.

Real-Life Example

A team wants to design a new app. They have 30 ideas. They group them: "features for users," "features for businesses," "features for admin." Then they choose the most important ones for the first version. That is idea selection.

School Example

Your class has 20 ideas for the school garden. You group them: "vegetables," "flowers," "tools," "seating." Then you choose what to include in your design. That is idea selection.

Home Example

Your family has 10 ideas for a new kitchen layout. You group them: "storage," "cooking," "washing," "sitting." Then you choose the best layout. That is idea selection.

Nigerian Example

A Nigerian designer has 15 ideas for a new food package. They group them: "cheap," "attractive," "strong," "recyclable." Then they choose the packaging that is both cheap and strong. That is idea selection.

Comparison Table: How to Choose Ideas

Question Why It Matters
Does it solve the problem? The idea must actually help.
Can we make it? Some ideas are too hard or too expensive.
Will people use it? If nobody wants it, it is not useful.
Is it safe? Safety is always important.
Is it sustainable? It should not harm the Earth.

Illustration

   Idea Selection Process
   -----------------------
   50 ideas --> Group into categories --> Choose best 5
        |               |                      |
        V               V                      V
   Write all       "Cheap, easy,        "Let's build
   ideas           useful"              these first"
  

Mini Summary

After brainstorming, organise your ideas into groups. Then choose the best ones. Ask: Does it solve the problem? Can we make it? Will people use it? Is it safe? Is it sustainable?


Lesson 10: Making a User Journey Map

Definition

A user journey map is a picture that shows all the steps a person takes when using a product. It shows what they do, what they think, and how they feel at each step.

Why It Is Important

Journey maps help you see the whole experience. You can spot where people get frustrated. You can find opportunities to make things better.

Simple Explanation

Imagine you want to buy a new phone. Your journey: 1. See an ad. 2. Go to the shop. 3. Ask questions. 4. Compare prices. 5. Buy the phone. 6. Set it up. 7. Use it. At each step, you feel something. Maybe step 3 is frustrating. Maybe step 6 is confusing. A journey map shows all of this.

Real-Life Example

A designer maps the journey of a patient at a hospital. Step 1: Arrive. Step 2: Register. Step 3: Wait. Step 4: See doctor. Step 5: Get medicine. Step 6: Go home. The map shows that waiting (step 3) is the most frustrating. So the designer works on making waiting better.

School Example

Map the journey of a student on the first day of school. Step 1: Wake up. Step 2: Travel to school. Step 3: Find class. Step 4: Meet teacher. Step 5: Attend lessons. Step 6: Go home. The map shows where students get confused. Then you can design solutions.

Home Example

Map the journey of cooking dinner. Step 1: Decide what to cook. Step 2: Check ingredients. Step 3: Go to market. Step 4: Cook. Step 5: Serve. Step 6: Clean up. The map shows which steps take too long. Then you can design a better kitchen.

Nigerian Example

Map the journey of buying recharge card. Step 1: Need airtime. Step 2: Find a vendor. Step 3: Pay. Step 4: Get card. Step 5: Scratch. Step 6: Load. The map shows that finding a vendor can be hard. So designers made apps for buying airtime. That is using a journey map to design a solution.

Illustration

   User Journey Map: Buying Airtime
   ---------------------------------
   Step 1: Need airtime
      | Feel: Neutral
      V
   Step 2: Find vendor
      | Feel: Frustrated (vendors far)
      V
   Step 3: Pay
      | Feel: Okay
      V
   Step 4: Get card
      | Feel: Okay
      V
   Step 5: Scratch card
      | Feel: Annoyed (numbers rub off)
      V
   Step 6: Load airtime
      | Feel: Relieved
      V
   Opportunity: Make an app to skip steps 2-5!
  

Mini Summary

A user journey map shows all the steps a user takes. It shows what they do and how they feel. Journey maps help you find problems and design better experiences.


Lesson 11: Surveys and Interviews

Definition

A survey is a set of questions given to many people. An interview is a conversation with one person where you ask questions and listen carefully.

Why It Is Important

Surveys help you reach many people quickly. Interviews help you go deep with one person. Both are useful for user research.

Simple Explanation

Surveys are like asking the whole class a question. Interviews are like having a private chat with one classmate. Surveys give you numbers. Interviews give you stories. You need both.

Real-Life Example

A company wants to design a new snack. They do a survey with 500 people: "What flavours do you like?" They also do interviews with 10 people: "Tell me about your snacking habits." The survey gives them data. The interviews give them depth.

School Example

Your class wants to design a new school uniform. You survey all students: "What colours do you like?" You interview a few students: "What is uncomfortable about the current uniform?" You use both to design a better uniform.

Home Example

Your family wants to plan a holiday. You survey everyone: "Where do you want to go?" You interview your parents: "What is our budget? How many days can we travel?" You use both to plan the best holiday.

Nigerian Example

A Nigerian designer wants to create a new food seasoning. They survey 1,000 people across Nigeria: "What spices do you use?" They interview 20 market women: "How do you cook your stew?" The survey shows popular spices. The interviews show how people actually cook. Both help design a better seasoning.

Comparison Table: Surveys vs. Interviews

Surveys Interviews
Many people One person at a time
Short answers Long answers
Numbers and data Stories and feelings
Quick to analyse Takes time to analyse
Good for trends Good for deep understanding

Illustration

   Surveys vs. Interviews
   ------------------------
   Survey:    [Person] [Person] [Person] [Person] [Person]
                  |       |        |        |        |
                  V       V        V        V        V
              "Yes"    "No"     "Maybe"  "Yes"    "No"
              --> Numbers --> Trends

   Interview: [Person]
                  |
                  V
              "Let me tell you my story..."
              --> Story --> Deep understanding
  

Mini Summary

Surveys ask many people short questions. Interviews ask one person deep questions. Use both to understand users better.


Lesson 12: Using What You Learn

Definition

After user research, you have a lot of information. Now you must synthesise it. That means looking at all your notes and finding the most important ideas.

Why It Is Important

If you do not synthesise, you will be overwhelmed by information. You will not know what to focus on. Synthesis helps you find the key insights that will guide your design.

Simple Explanation

Imagine you interview 20 people. You have 20 pages of notes. You read through them. You notice that 15 people mentioned the same problem. That is a key insight. You write it down. Now you know what to design.

Real-Life Example

A designer interviews 30 people about their phone use. They notice that 25 people said the battery dies too fast. That is a key insight. They design a phone with a longer battery. That is synthesis.

School Example

Your class surveys 100 students about the school canteen. You notice that 80 students said the food is too expensive. That is a key insight. You design a cheaper menu. That is synthesis.

Home Example

Your family asks 10 friends about holiday destinations. You notice that 7 people said they want a beach. That is a key insight. You plan a beach holiday. That is synthesis.

Nigerian Example

A Nigerian designer interviews 50 market traders. They notice that 45 traders said they need a way to keep food fresh. That is a key insight. They design a solar-powered cooler for market traders. That is synthesis.

Illustration

   Synthesis Process
   ------------------
   Many notes --> Read and review --> Find patterns
        |               |                  |
        V               V                  V
   20 pages        "15 people         "The key need
   of notes        said the same       is X"
                   thing"
  

Mini Summary

Synthesis means finding the most important ideas from your research. Look for patterns. Identify key insights. Use them to guide your design.


Lesson 13: Testing Your Understanding

Definition

Testing your understanding means checking if you really understood what users need. You do this by sharing your findings with users and asking, "Did I get this right?"

Why It Is Important

You might think you understood, but you might be wrong. Testing your understanding helps you catch mistakes early. It makes sure you are solving the right problem.

Simple Explanation

Imagine you think your friend is sad because they failed a test. You say, "I think you are sad because of your test." They say, "No, I am sad because my dog is missing." You tested your understanding. You were wrong. Now you can help better. The same applies to design.

Real-Life Example

A designer thinks people want a faster phone. They tell users: "I think you want a faster phone." Users say, "No, we want a phone with a longer battery." The designer was wrong. Now they know what to design.

School Example

Your class thinks students want a bigger library. You ask students: "Do you want a bigger library?" They say, "No, we want a library with more computers." You tested your understanding. You were wrong. Now you can design the right thing.

Home Example

You think your mother wants a new pot. You ask her: "Do you want a new pot?" She says, "No, I want a new blender." You tested your understanding. You were wrong. Now you can buy the right thing.

Nigerian Example

A designer thinks farmers want a new tractor. They ask farmers: "Do you want a tractor?" Farmers say, "No, we want better seeds and fertiliser." The designer tested their understanding. They were wrong. Now they can design the right solution.

Illustration

   Testing Your Understanding
   ---------------------------
   Your idea --> Share with users --> Ask "Is this right?"
        |              |                      |
        V              V                      V
   "I think      "We think           "Yes, you got it!"
    they need     they need            OR
    X"            Y"                   "No, we need Z"
  

Mini Summary

Testing your understanding means checking if you got it right. Share your findings with users. Ask them if you understood correctly. This helps you avoid solving the wrong problem.


Lesson 14: Keeping Records of Your Research

Definition

Keeping records means writing down everything you learn. It means taking notes, drawing pictures, and saving your work.

Why It Is Important

You will forget things. If you do not write them down, you will lose valuable information. Records help you remember and share your findings with others.

Simple Explanation

Imagine you interview 10 people. You remember some things. But you forget the details. If you had taken notes, you would remember everything. Records are your memory.

Real-Life Example

A designer visits a market. They take photos. They write notes. They record voices (with permission). Later, they review everything. They find patterns. They design a better product.

School Example

Your teacher asks you to research a topic. You take notes. You draw diagrams. You save your work. When it is time to write your report, you have everything you need. That is keeping records.

Home Example

Your mother keeps a shopping list. She writes down what the family needs. When she goes to the market, she remembers everything. That is keeping records.

Nigerian Example

A Nigerian designer visits a village to research cooking habits. They take photos of the kitchen. They write notes about the firewood used. They record the time it takes to cook. All these records help them design a better cookstove.

Illustration

   Record Keeping Tools
   ---------------------
   Notebook and pen  --> Write notes
   Camera           --> Take photos
   Voice recorder   --> Record interviews
   Sticky notes     --> Organise ideas
   Folder           --> Keep everything safe
  

Mini Summary

Keep records of everything you learn. Write notes, take photos, and save your work. Records help you remember and share your findings.


Lesson 15: Putting It All Together

Definition

This lesson brings together everything we learned in Module Two. It shows how user research, empathy, personas, problem statements, brainstorming, and synthesis all work together.

Why It Is Important

Seeing the whole picture helps you understand the process. Each step matters. If you skip a step, your design might fail.

Simple Explanation

Think of it like building a house. You need a foundation (research), walls (personas and problem statements), a roof (ideas), and doors (synthesis). If any part is missing, the house is not complete.

Real-Life Example

A designer wants to help people with disabilities use phones. They do research (talk to users). They practice empathy (understand feelings). They create personas (blind user, deaf user). They write a problem statement ("Blind people cannot read screens"). They brainstorm (voice control, braille, haptic feedback). They synthesise (choose voice control). They test understanding ("Is voice control helpful?"). They keep records. Finally, they design a phone that works for everyone.

School Example

Your class wants to design a better school toilet. You research (ask students). You empathise (imagine being a student who needs to go urgently). You create personas (younger students, older students, students with disabilities). You write a problem statement ("Students avoid the toilet because it is dirty and dark"). You brainstorm (more lights, better cleaning, more space). You synthesise (choose better lights and cleaning). You test understanding ("Will this help?"). You keep records. Finally, you design a better toilet.

Nigerian Example

A Nigerian designer wants to improve the life of market women. They research (talk to 100 market women). They empathise (understand their long hours and heavy loads). They create personas (Mama Ngozi, 45, sells tomatoes, has back pain). They write a problem statement ("Market women suffer back pain from carrying heavy loads"). They brainstorm (wheelbarrows, carts, head pads, trolleys). They synthesise (choose a light, foldable trolley). They test understanding ("Would this help?"). They keep records. Finally, they design a trolley that market women love.

Illustration

   Module Two: The Full Process
   =============================
   Research --> Empathise --> Personas --> Problem Statement
       |            |            |               |
       V            V            V               V
   Ask, watch   Understand   Create         Write clear
   listen       feelings     characters     problem

   Brainstorm --> Synthesise --> Test Understanding --> Records
       |              |                  |                |
       V              V                  V                V
   Many ideas     Find key         Check if           Write
                  insights         right              everything
                                   down
       |
       V
   Ready to design a product that users need! ๐ŸŽ‰
  

Mini Summary

Module Two is about understanding users. It starts with research and ends with synthesis. It includes empathy, personas, problem statements, brainstorming, and testing. When you do all these steps, you are ready to design a product that users will love.


Key Vocabulary

Word Simple Definition
User Research Learning about the people who will use your product.
Empathy Understanding how someone else feels.
User Persona A made-up person who represents real users.
Problem Statement A clear sentence that describes the problem.
Brainstorming Thinking of many ideas in a short time.
Synthesis Finding the most important ideas from your research.
User Journey Map A picture showing all the steps a user takes.
Survey A set of questions given to many people.
Interview A conversation with one person to learn about them.
Observation Watching people carefully to learn about them.
Open Question A question that invites a detailed answer.
Closed Question A question that can be answered with yes or no.
Insight An important discovery from research.
Record Keeping Writing down and saving information.
Idea Selection Choosing the best ideas from a list.

Important Concepts

  • User-first thinking: Always start with the user. Understand their needs before you design anything.
  • Empathy: Put yourself in the user's shoes. Feel what they feel. This helps you design with heart.
  • Research before design: Do not guess. Ask, watch, and listen. Research gives you the truth.
  • Personas: Create made-up people to represent real users. This helps you focus your design.
  • Problem statements: Write a clear sentence that describes the problem. This keeps you on track.
  • Brainstorming: Think of many ideas. Do not judge them yet. Quantity leads to quality.
  • Synthesis: Find the most important ideas from your research. Look for patterns.
  • Testing understanding: Check if you got it right. Ask users: "Did I understand you correctly?"
  • Record keeping: Write everything down. Your notes are your memory.

Step-by-Step Explanations

How to Do User Research (Step by Step)

  1. Decide what you want to learn. What questions do you need answers to?
  2. Choose your method. Will you survey, interview, or observe?
  3. Find people to talk to. Who are the users? Where can you find them?
  4. Ask good questions. Use open questions. Listen carefully.
  5. Observe. Watch what people do, not just what they say.
  6. Take notes. Write down everything. Take photos if you can.
  7. Synthesise. Read your notes. Find patterns. Identify key insights.
  8. Test your understanding. Share your findings with users. Ask: "Did I get this right?"
  9. Write a problem statement. Describe the problem clearly.
  10. Create personas. Make up characters that represent your users.
  11. Brainstorm ideas. Think of many solutions.
  12. Choose the best ideas. Organise and select.

Real-Life Examples

  • Smartphone design: Companies do research to find out what people want in a phone. They interview users, watch them use phones, and create personas.
  • Car design: Car makers research what drivers need. They study safety, comfort, and fuel efficiency.
  • Furniture design: Furniture makers research how people sit, what sizes they are, and what styles they like.
  • App design: App developers research how people use their phones. They test their apps with real users.
  • Food packaging: Food companies research what attracts buyers. They study colours, shapes, and labels.

Nigerian Examples

  • Market women's trolley: A designer observed market women carrying heavy loads. They designed a light, foldable trolley.
  • Solar-powered cooler: A designer interviewed market traders who needed to keep food fresh. They designed a solar cooler.
  • Recharge card app: A company researched how Nigerians buy airtime. They found that many people do not have bank accounts. They designed an app that accepts cash.
  • Clean cookstove: A designer researched cooking habits in rural Nigeria. They found that smoke was a big problem. They designed a clean cookstove.
  • Head pads: A designer observed people carrying loads on their heads. They designed soft pads to reduce pain.

Fun Examples Children Can Relate To

  • Video game controller: Designers watch children play games. They find out what buttons are easy to reach. They design controllers that fit small hands.
  • Lego blocks: Designers research what children like to build. They design blocks that connect in many ways.
  • Bicycle: Designers research what children need in a bike. They design bikes that are safe and easy to ride.
  • Ice cream: Designers research what flavours children like. They design ice cream that is fun and tasty.
  • Pencil case: Designers research what children carry to school. They design pencil cases with fun shapes and bright colours.

Everyday Examples

  • Toothbrush: Designers research how people brush their teeth. They design brushes with soft bristles and comfortable handles.
  • Plate: Designers research how people eat. They design plates that are easy to hold and clean.
  • Cup: Designers research how people drink. They design cups with handles and lids.
  • Chair: Designers research how people sit. They design chairs with back support and comfortable seats.
  • Shoe: Designers research how people walk. They design shoes that are comfortable and safe.
  • Comb: Designers research how people style their hair. They design combs with different teeth sizes.

Parent Tips

  • Encourage your child to ask questions about everyday objects. "Who designed this? Why is it like this?"
  • When your child has a problem, ask them: "How would you solve this? Who else has this problem? What would help them?"
  • Let your child interview family members about their needs. This builds empathy and research skills.
  • Praise your child's curiosity. Questions are the beginning of design.
  • Watch design-related shows or videos together. Talk about how products are made and why.
  • Provide simple materials for prototyping: cardboard, tape, scissors, paper, glue.

Interesting Facts

  • The first user research was done by companies in the 1950s. They wanted to know what housewives wanted in a kitchen.
  • The design of the iPhone was based on user research. Apple watched how people used phones and designed a phone that was easy to use.
  • The design of the Nigerian recharge card has changed over time. Old cards had scratch panels. New cards are digital. User research drove this change.
  • The design of the danfo bus in Lagos is based on user needs. It is designed to carry many people, be cheap, and fit through narrow streets.
  • Many companies now have "user researchers" whose only job is to understand what people need.

Did You Know?

  • Did you know that the design of a spoon is different in different cultures? Some spoons are deep for soup. Some are flat for rice. User research explains why.
  • Did you know that the first computer mouse was made of wood? User research showed that people needed a simple way to point and click.
  • Did you know that the design of a bus is different in different countries? User research shows what people need.
  • Did you know that the design of a school desk has changed over time? User research shows what students need today.
  • Did you know that the design of a football is not just a ball? User research shows that it must be visible, durable, and fly straight.

Remember This

  • User research is learning about the people who will use your product.
  • Empathy is understanding how others feel.
  • Personas are made-up people who represent real users.
  • Problem statements describe the problem clearly.
  • Brainstorming is thinking of many ideas.
  • Synthesis is finding the most important ideas.
  • Testing your understanding means checking if you got it right.
  • Record keeping means writing everything down.
  • Always start with the user. Always.

Common Mistakes

  • Designing for yourself: Just because you like something does not mean others will. Always ask users.
  • Skipping research: Going straight to design without understanding users.
  • Asking bad questions: Using closed questions that give short answers.
  • Not listening: Talking more than you listen during interviews.
  • Ignoring feelings: Focusing only on what people do, not how they feel.
  • Not taking notes: Forgetting important information because you did not write it down.
  • Jumping to solutions: Thinking of solutions before understanding the problem.

Best Practices

  • Always start with the user.
  • Ask open questions.
  • Listen more than you talk.
  • Observe what people do, not just what they say.
  • Practice empathy.
  • Create personas to focus your design.
  • Write clear problem statements.
  • Brainstorm many ideas before choosing.
  • Synthesise your research to find key insights.
  • Test your understanding with users.
  • Keep records of everything.
  • Repeat the process until you are sure.

More ASCII Illustrations

User Research Timeline

   Week 1: Decide what to learn
   Week 2: Find users
   Week 3: Ask questions and observe
   Week 4: Take notes
   Week 5: Synthesise findings
   Week 6: Create personas
   Week 7: Write problem statement
   Week 8: Brainstorm ideas
   Week 9: Choose best ideas
   Week 10: Test understanding
  

Empathy Map Flowchart

   What do they SEE?
        |
        V
   What do they HEAR?
        |
        V
   What do they THINK?
        |
        V
   What do they FEEL?
        |
        V
   What do they SAY?
        |
        V
   What do they DO?
        |
        V
   Understand their world
        |
        V
   Design for them
  

From Research to Design

   Research --> Empathy --> Personas --> Problem Statement
       |           |           |              |
       V           V           V              V
   Ask, watch  Understand  Create        Write clear
   listen      feelings    characters    problem
       |           |           |              |
       V           V           V              V
   Brainstorm --> Synthesise --> Test --> Design
       |              |            |         |
       V              V            V         V
   Many ideas    Key insights  Check     Make
                               right     product
  

Comparison Tables

Surveys vs. Interviews

Surveys Interviews
Many people One person at a time
Short answers Long answers
Numbers and data Stories and feelings
Quick to analyse Takes time to analyse
Good for trends Good for deep understanding

Observation vs. Asking Questions

Observation Asking Questions
Shows what people do Shows what people say
Can be done without talking Requires conversation
Shows real behaviour Shows reported behaviour
Good for finding problems Good for understanding reasons
Can be done anywhere Requires willing participants

Summary After Every Lesson

Lesson 1 Summary

User research is learning about the people who will use your product.

Lesson 2 Summary

We need user research because we are not the user. It stops us from guessing.

Lesson 3 Summary

Good questions are open. They start with what, how, why, when, where.

Lesson 4 Summary

Observation is watching people carefully. It shows what people do.

Lesson 5 Summary

Empathy is understanding how others feel. It helps you design with heart.

Lesson 6 Summary

A user persona is a made-up person who represents real users.

Lesson 7 Summary

A problem statement describes the problem clearly.

Lesson 8 Summary

Brainstorming is thinking of many ideas. Do not judge them yet.

Lesson 9 Summary

Organise and choose the best ideas. Ask: Does it solve the problem?

Lesson 10 Summary

A user journey map shows all the steps a user takes.

Lesson 11 Summary

Surveys ask many people. Interviews ask one person deeply.

Lesson 12 Summary

Synthesis means finding the most important ideas from your research.

Lesson 13 Summary

Testing your understanding means checking if you got it right.

Lesson 14 Summary

Keep records of everything you learn. Write notes, take photos.

Lesson 15 Summary

Putting it all together: research, empathy, personas, problem statements, brainstorming, synthesis, testing, and records.


End-of-Module Summary

Congratulations! You have completed Module Two: Understanding Users and Their Needs. You have learned a lot. Let us review.

  • User research is learning about the people who will use your product.
  • Empathy is understanding how others feel.
  • Personas are made-up people who represent real users.
  • Problem statements describe the problem clearly.
  • Brainstorming is thinking of many ideas.
  • Synthesis is finding the most important ideas.
  • User journey maps show all the steps a user takes.
  • Surveys ask many people. Interviews ask one person deeply.
  • Testing understanding means checking if you got it right.
  • Record keeping means writing everything down.

You now know how to understand users. You know how to ask questions, observe, empathise, and synthesise. You know how to create personas and write problem statements. You know how to brainstorm and choose ideas. These skills will help you design products that people really need.

You are now thinking like a designer. You can look at people and ask, "What do they need? How can I help?" That is the heart of product design.


Frequently Asked Questions (10 Questions)

  1. What is user research?
    User research is learning about the people who will use your product.
  2. Why is empathy important in design?
    Empathy helps you understand how users feel. It helps you design with heart.
  3. What is a user persona?
    A user persona is a made-up person who represents real users.
  4. How do I write a problem statement?
    Use this formula: [Who] needs a way to [what] because [why].
  5. What is brainstorming?
    Brainstorming is thinking of many ideas in a short time.
  6. What is synthesis?
    Synthesis is finding the most important ideas from your research.
  7. What is a user journey map?
    A user journey map shows all the steps a user takes when using a product.
  8. What is the difference between a survey and an interview?
    Surveys ask many people short questions. Interviews ask one person deep questions.
  9. Why is observation important?
    Observation shows you what people do, not just what they say.
  10. How do I know if I understood the user correctly?
    Test your understanding. Share your findings with users and ask, "Did I get this right?"

Matching Exercises

Match the word on the left with its definition on the right.

Word Definition
1. User Research A. A made-up person who represents real users
2. Empathy B. Learning about the people who will use your product
3. Persona C. Finding the most important ideas from your research
4. Problem Statement D. Understanding how someone else feels
5. Brainstorming E. A clear sentence that describes the problem
6. Synthesis F. Thinking of many ideas in a short time

Answers: 1-B, 2-D, 3-A, 4-E, 5-F, 6-C


Scenario-Based Exercises

Scenario 1: The School Canteen

Your school canteen is always crowded. Students wait a long time for food. Some students do not get food before break ends.

Questions:

  1. Who are the users?
  2. What research would you do?
  3. What questions would you ask?
  4. What would you observe?
  5. Write a problem statement.
  6. Brainstorm three solutions.

Scenario 2: The Water Problem

In a village, people walk 2 kilometres to fetch water. They carry heavy buckets on their heads. It takes hours.

Questions:

  1. Who are the users?
  2. What research would you do?
  3. What would you observe?
  4. Create a persona for a typical user.
  5. Write a problem statement.
  6. Brainstorm three solutions.

Scenario 3: The Recharge Card Problem

Many people in Nigeria struggle to buy recharge cards. Vendors are not always available. Scratch cards sometimes do not work.

Questions:

  1. Who are the users?
  2. What research would you do?
  3. What questions would you ask?
  4. Create a user journey map.
  5. Write a problem statement.
  6. Brainstorm three solutions.

Group Activity

Activity: Design a Better School Bag

  1. Form groups of 4โ€“5 students.
  2. Each group does user research. Interview 5 students.
  3. Ask open questions: "What do you carry? What is hard about your bag? What would make a bag better?"
  4. Observe students using their bags.
  5. Create a persona for a typical student.
  6. Write a problem statement.
  7. Brainstorm ideas for a better bag.
  8. Choose the best idea and sketch it.
  9. Present your findings and design to the class.
  10. Other groups give feedback.

Individual Activity

Activity: Observe and Research

  1. Choose one object in your home (e.g., a spoon, a chair, a bag).
  2. Observe how it is used. Watch someone use it.
  3. Ask them open questions about it.
  4. Write down three problems with the object.
  5. Create a persona for the user.
  6. Write a problem statement.
  7. Sketch three ideas to improve it.
  8. Choose the best idea and explain why.
  9. Share your work with your teacher or parent.

Mini Project

Project: Design a Useful Object for Your Community

  1. Identify a problem in your community. (Example: no place to sit at the bus stop.)
  2. Do user research. Talk to 5 people. Observe the situation.
  3. Create a persona for a typical user.
  4. Write a problem statement.
  5. Brainstorm three possible solutions.
  6. Sketch your best solution.
  7. Build a prototype using cardboard, paper, or other materials.
  8. Test it with people in your community. Ask for feedback.
  9. Improve your prototype based on feedback.
  10. Present your project to your class or family.

Practical Assignment

Assignment: User Research Report

  1. Choose one product: a pen, a cup, a bag, or a chair.
  2. Do user research. Interview 3 people who use this product.
  3. Write a short report (1โ€“2 pages) that includes:
    • Who are the users?
    • What did you learn from your interviews?
    • What did you observe?
    • Create a persona for a typical user.
    • Write a problem statement.
    • Brainstorm three ideas for improvement.
    • Choose the best idea and explain why.
    • Draw your redesign.
  4. Submit your report and drawing to your teacher.

Key Takeaways

  • User research is learning about the people who will use your product.
  • Empathy is understanding how others feel.
  • Personas are made-up people who represent real users.
  • Problem statements describe the problem clearly.
  • Brainstorming is thinking of many ideas.
  • Synthesis is finding the most important ideas.
  • User journey maps show all the steps a user takes.
  • Surveys ask many people. Interviews ask one person deeply.
  • Testing your understanding means checking if you got it right.
  • Record keeping means writing everything down.
  • Always start with the user. Always.

Classroom Discussion Questions

  1. Why is it important to understand users before designing?
  2. What is the difference between observation and asking questions?
  3. How can you practice empathy in your daily life?
  4. What makes a good question? Give an example.
  5. Why do we create personas?
  6. What is a problem statement? Can you write one for a problem in your school?
  7. Why is brainstorming important?
  8. How do you choose the best idea from a list?
  9. What is a user journey map? How can it help designers?
  10. What did you enjoy most in this module?

Preparation for the Next Module

In Module Three, we will move from understanding users to creating solutions. We will learn how to sketch, prototype, and test our ideas. We will learn how to turn research into real products.

Before the next module, try this:

  • Choose one problem in your home or school.
  • Do user research. Talk to 3 people. Observe the situation.
  • Write a problem statement.
  • Create a persona for a typical user.
  • Brainstorm 5 ideas for a solution.
  • Bring your notes to the next class.

Get ready to dive deeper into the world of product design. See you in Module Three!


End of Module Two: Understanding Users and Their Needs

4

Module Three

Module Three: From Ideas to Prototypes

Module Three: From Ideas to Prototypes


Introduction

Welcome to Module Three! In Module One, we learned what product design is. In Module Two, we learned how to understand users and their needs. Now, in Module Three, we will learn how to turn those needs into real product ideas.

This is where the magic happens. You will learn how to sketch your ideas. You will learn how to build simple models called prototypes. You will learn how to test your prototypes with real people. You will learn how to improve your design until it is great.

Think of yourself as an inventor. You have a problem to solve. You have ideas in your head. Now you will bring those ideas to life. You do not need expensive tools. You can start with paper, cardboard, tape, and your imagination.

Let us begin this exciting journey. By the end of this module, you will have designed, built, and tested your own product prototype.


Learning Objectives

After finishing this module, you should be able to:

  1. Explain the difference between an idea and a prototype.
  2. Sketch product ideas clearly and quickly.
  3. Build simple prototypes using everyday materials.
  4. Test a prototype with real users.
  5. Collect and use feedback to improve your design.
  6. Describe what iteration means and why it matters.
  7. Identify common prototyping mistakes and how to avoid them.
  8. Give examples of prototypes from Nigeria and around the world.
  9. Work in a team to develop a product idea.
  10. Present your prototype to others with confidence.

Warm-up Story: Tunde's Amazing Cardboard Phone Stand

Tunde is a 13-year-old boy who lives in Ibadan. He loves watching videos on his mother's phone. But there is a problem. He has to hold the phone with his hands all the time. His arms get tired. His neck hurts from looking down.

One day, Tunde said to himself, "I need something to hold the phone for me." He looked around the house. He saw an empty cardboard box. He saw a pair of scissors. He saw some tape.

"I can make something," he thought.

Tunde sketched an idea on paper. He drew a stand with a slot where the phone could sit. He drew a back support so the phone would not fall. He drew a place for the charging cable.

Then he cut the cardboard. He folded it. He taped it together. It looked rough. It was not perfect. But it worked! The phone stood up. He could watch videos without holding it.

His mother saw it. "Tunde, this is good! But the phone slides down. Can you make it better?"

Tunde went back to work. He added a small lip at the bottom to stop the phone from sliding. He tested it again. It worked better.

His sister said, "The angle is too low. I want to watch while lying down."

Tunde made another version. He added a second slot at a different angle. Now the phone could stand at two angles.

His friends saw it. They wanted one too. Tunde made more. He improved the design each time.

Tunde did not know it, but he was doing product design. He found a problem. He sketched an idea. He built a prototype. He tested it. He got feedback. He improved it. That is exactly what we will learn in this module.

   Tunde's Design Journey
        |
        V
   Has a problem (tired arms)
        |
        V
   Sketches an idea
        |
        V
   Builds a cardboard prototype
        |
        V
   Tests it (it works!)
        |
        V
   Gets feedback (phone slides)
        |
        V
   Improves design (adds lip)
        |
        V
   Gets more feedback (angle too low)
        |
        V
   Improves again (adds second slot)
        |
        V
   Final product! ๐ŸŽ‰
  

Main Lessons

Lesson 1: From Idea to Sketch

Definition

A sketch is a quick, simple drawing of an idea. It is not meant to be perfect. It is meant to help you remember and share your idea.

Why It Is Important

Ideas in your head are hard to share. When you sketch them, others can see what you are thinking. Sketches also help you see problems in your idea before you build it.

Simple Explanation

Imagine you want to build a treehouse. You could try to explain it with words: "It has a platform and a ladder and a roof..." But it is much easier to draw a quick picture. That picture is a sketch.

Real-Life Example

Before building a house, architects sketch many ideas. They sketch different room layouts. They sketch different roof shapes. They sketch until they find the best one. Then they build.

School Example

Your teacher asks you to design a new school logo. You sketch five different ideas. Then you choose the best one and make it neat. That is how designers work.

Home Example

You want to rearrange your room. You sketch different ways to place your bed, table, and wardrobe. You try different layouts on paper before moving furniture. That is sketching.

Nigerian Example

Nigerian tailors sketch designs before sewing. They draw the style on paper. They show the customer. The customer says, "I like this" or "Change this part." Then they sew. That is sketching in real life.

Illustration

   Sketching Ideas
   ----------------
   Idea 1:  [____]     Idea 2:  [  ]     Idea 3:  /\
            |    |              |  |              /  \
            |____|              |  |             /____\
   (Simple box)          (Tall box)      (House shape)
  

Mini Summary

Sketching is drawing quick ideas. It helps you think, remember, and share. You do not need to be an artist. You just need to put your ideas on paper.


Lesson 2: Types of Sketches

Definition

There are different types of sketches. Each one has a purpose. Some are quick and messy. Some are neat and detailed. Designers use different types at different times.

Why It Is Important

Knowing the types of sketches helps you choose the right one. When you are brainstorming, you want quick sketches. When you are presenting to others, you want neat sketches.

Simple Explanation

Think of it like writing. First you make rough notes. Then you write a draft. Then you write the final essay. Sketches are the same. You start rough and get neater.

Real-Life Example

A car designer first makes rough sketches. They explore many shapes. Then they make detailed sketches. They show the final design to the boss. Then they build a model.

School Example

In art class, you first sketch lightly with a pencil. Then you add details. Then you colour. That is using different types of sketches.

Home Example

Your mother wants to sew a dress. She first sketches a rough idea. Then she draws a detailed pattern. Then she cuts the fabric. That is using different types of sketches.

Nigerian Example

A Nigerian architect designs a new market. First, they make quick sketches to explore ideas. Then they make detailed drawings for the builders. The builders follow the detailed drawings to construct the market.

Comparison Table: Types of Sketches

Type Purpose Speed Detail
Rough Sketch Explore ideas quickly Very fast Low
Clean Sketch Show your idea clearly Medium Medium
Technical Drawing Show exact measurements Slow High

Illustration

   Rough Sketch --> Clean Sketch --> Technical Drawing
        |               |                  |
        V               V                  V
   Quick lines     Neat lines        Exact measurements
   Many ideas      One idea          For builders
  

Mini Summary

There are different types of sketches. Rough sketches explore ideas. Clean sketches show ideas clearly. Technical drawings show exact measurements. Use the right type at the right time.


Lesson 3: What Is a Prototype?

Definition

A prototype is a simple, early model of a product. It is not the final thing. It is a way to test your idea before you spend time and money making the real product.

Why It Is Important

Prototypes help you find problems early. It is better to find a mistake in a cardboard model than in a real product that cost a lot of money. Prototypes save time, money, and frustration.

Simple Explanation

Think of a prototype like a rough draft of an essay. You write it, read it, fix it, and then write the final version. The prototype is your rough draft for a product.

Real-Life Example

Before car companies make thousands of cars, they make one prototype. They test it. They crash it (to see if it is safe). They fix problems. Then they make the real cars.

School Example

Before you write a final essay, you make an outline. That outline is like a prototype. It helps you organise your thoughts before you write the full essay.

Home Example

Before your mother cooks a big pot of soup for a party, she might cook a small pot first. She tastes it. She adds salt. That small pot is a prototype. She is testing before the big day.

Nigerian Example

A Nigerian fashion designer wants to make a new style of dress. She first makes a small version using cheap fabric. She checks the fit. She adjusts the design. That small version is a prototype. Then she makes the real dress.

Illustration

   Prototype Process
   ------------------
   Idea --> Sketch --> Cardboard Model --> Test --> Fix --> Final Product
             |              |              |        |
             V              V              V        V
          Rough         Simple         Try it   Make it
          drawing       model          out      better
  

Mini Summary

A prototype is an early model of a product. It helps you test ideas before making the real thing. Always prototype before you build.


Lesson 4: Low-Fidelity vs. High-Fidelity Prototypes

Definition

Low-fidelity means simple and rough. High-fidelity means detailed and close to the real thing. Low-fidelity prototypes are quick and cheap. High-fidelity prototypes take more time and money.

Why It Is Important

You should start with low-fidelity. It helps you test ideas quickly. When you are sure the idea works, you make a high-fidelity prototype. This saves time and money.

Simple Explanation

A low-fidelity prototype is like a rough drawing. A high-fidelity prototype is like a finished painting. You start rough and get detailed later.

Real-Life Example

A phone company first makes a cardboard phone. That is low-fidelity. They test the size and shape. Then they make a plastic model. That is high-fidelity. They test the buttons and screen. Then they make the real phone.

School Example

For a science project, you first draw your invention on paper. That is low-fidelity. Then you build a small model with cardboard. That is medium-fidelity. Then you build the real thing with wood and metal. That is high-fidelity.

Home Example

Your mother wants to bake a cake. She first draws a picture of the cake. That is low-fidelity. Then she bakes a small cake. That is medium-fidelity. Then she bakes the big cake for the party. That is high-fidelity.

Nigerian Example

A Nigerian engineer wants to build a solar-powered car. First, they draw sketches. That is low-fidelity. Then they build a small model car. That is medium-fidelity. Then they build a full-size car. That is high-fidelity.

Comparison Table: Low-Fidelity vs. High-Fidelity

Low-Fidelity High-Fidelity
Quick to make Takes time to make
Cheap materials Expensive materials
Rough and simple Detailed and realistic
Easy to change Hard to change
Used for testing ideas Used for testing experience

Illustration

   Low-Fidelity --> Medium-Fidelity --> High-Fidelity
        |                |                   |
        V                V                   V
   Paper sketch    Cardboard model     Real product
   (quick)         (medium)            (detailed)
  

Mini Summary

Low-fidelity prototypes are simple and quick. High-fidelity prototypes are detailed and realistic. Start with low-fidelity and move to high-fidelity.


Lesson 5: Materials for Prototyping

Definition

Prototyping materials are the things you use to build your prototype. They can be simple and cheap. You do not need expensive tools to start.

Why It Is Important

Using the right materials makes prototyping easier. You can find many materials around your home or school. You do not need to buy special equipment.

Simple Explanation

Think of a prototype like a school project. You can use cardboard, paper, tape, glue, scissors, and old boxes. These are all prototyping materials.

Real-Life Example

A designer wants to prototype a new chair. They use cardboard to build a small model. They use tape to hold it together. They test it with a small doll. Then they improve it.

School Example

In science class, you build a model of a volcano using clay, newspaper, and glue. Those are prototyping materials. You test it to see if it "erupts" properly.

Home Example

You want to build a toy car. You use an old box for the body, bottle caps for wheels, and sticks for axles. Those are prototyping materials.

Nigerian Example

A Nigerian artisan wants to prototype a new bag. They use old tyres, cloth, and thread. They cut and sew. They test the bag. Then they make the final product.

Table: Common Prototyping Materials

Material Use
Cardboard Building shapes and structures
Paper Sketching and simple models
Tape Holding things together
Glue Sticking materials
Scissors Cutting materials
Sticks Making frames and supports
Bottle caps Making wheels and buttons
Old boxes Building large models

Illustration

   Prototyping Materials
   ----------------------
   [Cardboard] [Paper] [Tape] [Glue] [Scissors]
        |          |       |       |        |
        V          V       V       V        V
   All you need to start building your prototype!
  

Mini Summary

Prototyping materials are the things you use to build your model. You can use cardboard, paper, tape, glue, and old boxes. You do not need expensive tools to start.


Lesson 6: Building Your First Prototype

Definition

Building a prototype means making a simple model of your idea. It does not have to be perfect. It just has to show how your idea works.

Why It Is Important

Building helps you test your idea. You can see what works and what does not. You can find problems before you make the real product.

Simple Explanation

Building a prototype is like making a rough draft. You put your ideas into a physical form. It is okay if it looks messy. The goal is to learn.

Real-Life Example

A designer wants to build a new lamp. They use cardboard to make the base. They use a paper cup for the shade. They put a small light inside. They test it. The light works. The shade is too small. They make it bigger. That is building a prototype.

School Example

Your class is building a model bridge. You use sticks and glue. You test it with weights. It breaks. You add more support. You test again. It holds. That is building a prototype.

Home Example

You want to build a birdhouse. You use an old box. You cut a hole for the door. You add a roof. You hang it outside. Birds do not come. You move it to a better spot. Birds come. That is building a prototype.

Nigerian Example

A Nigerian entrepreneur wants to build a solar-powered phone charger. They use a small solar panel, wires, and a phone connector. They build a simple model. They test it in the sun. It works. They improve it. That is building a prototype.

Illustration

   Building Process
   ----------------
   Sketch --> Gather Materials --> Cut --> Assemble --> Test
       |            |               |         |          |
       V            V               V         V          V
   Draw it      Find what       Shape     Put it     See if
                you need        parts     together   it works
  

Mini Summary

Building a prototype means making a simple model of your idea. Use everyday materials. Do not worry about perfection. The goal is to learn and improve.


Lesson 7: Testing Your Prototype

Definition

Testing is when you give your prototype to real people and watch how they use it. You ask them what they think. You look for problems and ways to improve.

Why It Is Important

You are not the user. What works for you might not work for others. Testing helps you see your design through other people's eyes. It is the best way to make your product better.

Simple Explanation

Imagine you design a new game. You think it is fun. But when your friends play it, they get confused. Testing shows you that the rules are not clear. Now you can fix them.

Real-Life Example

Before a new app is released, the makers give it to a small group of people. They watch how those people use it. They ask, "Was it easy? What was hard? What did you like?" Then they fix the app.

School Example

Your teacher asks you to design a poster. Before you print 50 copies, you show it to 5 classmates. You ask, "Can you read this? Is it clear? What do you think?" Their answers help you make a better poster.

Home Example

You cook a new dish. Before you serve it to the whole family, you ask your brother to taste it. "Is it too salty? Too spicy?" That is testing. You adjust before serving everyone.

Nigerian Example

A Nigerian tech company makes a new mobile app for buying airtime. Before launching, they test it with 50 people in Lagos, Kano, and Enugu. They find that some people cannot read the small text. They fix it. That is testing.

Illustration

   Testing Cycle
   --------------
   Design --> Prototype --> Test with Users --> Get Feedback --> Improve
      ^                                                              |
      |                                                              |
      +--------------------------------------------------------------+
                        (Repeat until great)
  

Mini Summary

Testing means giving your prototype to real people and learning from them. It helps you find problems and make your product better. Always test before you finalise.


Lesson 8: Gathering Feedback

Definition

Feedback is what people say about your product after using it. It can be positive (what they like) or negative (what they do not like).

Why It Is Important

Feedback tells you what is working and what is not. It helps you improve your design. Without feedback, you are guessing.

Simple Explanation

Imagine you write a story. You give it to a friend to read. They say, "I like the beginning, but the ending is confusing." That is feedback. Now you can fix the ending.

Real-Life Example

A restaurant owner asks customers, "How was your meal?" Customers say, "The food was great, but the service was slow." The owner hires more waiters. That is using feedback.

School Example

Your teacher returns your homework with comments. "Good work, but check your spelling." That is feedback. You use it to improve your next assignment.

Home Example

You cook dinner for your family. Your sister says, "It needs more salt." That is feedback. You add salt. Now it tastes better.

Nigerian Example

A Nigerian fashion designer shows a new dress to customers. They say, "The colour is nice, but the sleeves are too long." The designer adjusts the sleeves. That is using feedback.

Illustration

   Feedback Loop
   --------------
   Show prototype --> Ask questions --> Listen --> Learn --> Improve
        |                |                |         |         |
        V                V                V         V         V
   "Try this"       "What do        Hear      Understand  Make it
                     you think?"     answers   needs       better
  

Mini Summary

Feedback is what people say about your product. It helps you know what to improve. Always ask for feedback and use it.


Lesson 9: Iteration โ€“ Making It Better

Definition

Iteration means doing something again and again to make it better. Each time you improve your prototype, that is an iteration.

Why It Is Important

Nobody gets it right the first time. Iteration helps you learn from mistakes. Each version is better than the last. This is how great products are made.

Simple Explanation

Think of a video game. The first version might have bugs. The makers fix the bugs. They release an update. That is iteration. They keep improving.

Real-Life Example

The first iPhone was good. But it had no front camera. The next version added a front camera. The next version added a better screen. Each version was an iteration.

School Example

You write an essay. Your teacher gives feedback. You rewrite it. That is iteration. You do it again after more feedback. Each time, it gets better.

Home Example

Your mother makes jollof rice. The first time, it is too dry. She adds more water. The second time, it is perfect. That is iteration.

Nigerian Example

Nigerian musicians record a song. They listen to it. They change the beat. They re-record. They listen again. They change the lyrics. That is iteration. The final song is better because of it.

Illustration

   Iteration Cycle
   ----------------
   Version 1 --> Test --> Feedback --> Version 2
       ^                                    |
       |                                    |
       +------------------------------------+
       (Repeat until great)

   Version 1: Rough
   Version 2: Better
   Version 3: Even better
   Version 4: Great! ๐ŸŽ‰
  

Mini Summary

Iteration means improving your product again and again. Each version is better than the last. Keep iterating until your product is great.


Lesson 10: Common Prototyping Mistakes

Definition

Prototyping mistakes are errors people make when building and testing prototypes. Knowing them helps you avoid them.

Why It Is Important

Mistakes waste time and money. If you know common mistakes, you can avoid them. You can prototype faster and better.

Simple Explanation

Imagine you are baking a cake. A common mistake is not measuring the flour. The cake turns out bad. If you know this mistake, you measure carefully. The cake turns out good.

Real-Life Example

A designer builds a prototype but does not test it. They think it is perfect. They build 1000 units. Nobody buys them because the product is hard to use. The mistake was not testing.

School Example

You build a model bridge but do not test it with weights. You bring it to class. It breaks immediately. The mistake was not testing.

Home Example

You cook a new dish but do not taste it. You serve it to guests. It is too salty. The mistake was not tasting.

Nigerian Example

A Nigerian entrepreneur designs a new app but does not test it with users. They launch it. Users find many bugs. The app gets bad reviews. The mistake was not testing.

Table: Common Prototyping Mistakes

Mistake Why It Is Bad How to Avoid It
Not testing You miss problems Always test with users
Testing with friends only Friends may be too kind Test with strangers too
Making it too perfect Wastes time Start rough, improve later
Ignoring feedback You do not improve Listen and use feedback
Giving up too soon You miss a great product Iterate and keep improving

Illustration

   Common Mistakes
   ---------------
   Not testing --> Problems found late --> Expensive to fix
   Testing early --> Problems found early --> Cheap to fix

   Too perfect --> Wastes time
   Rough first --> Saves time
  

Mini Summary

Common prototyping mistakes include not testing, testing only with friends, making it too perfect, ignoring feedback, and giving up too soon. Avoid these mistakes to succeed.


Lesson 11: Presenting Your Prototype

Definition

Presenting means showing your prototype to others. It means explaining what it is, how it works, and why it is useful.

Why It Is Important

A good presentation helps others understand your idea. It helps you get feedback, support, and maybe even customers. If you cannot explain your idea, nobody will believe in it.

Simple Explanation

Imagine you built a model car. You show it to your class. You say, "This is a car that runs on solar power. It has a solar panel on top. It does not need petrol." That is presenting.

Real-Life Example

A designer presents a new phone to a company. They show the prototype. They explain the features. They show how it is better than other phones. The company loves it and decides to make it.

School Example

You present your science project to the class. You show your model. You explain how it works. You answer questions. That is presenting.

Home Example

You present your idea for a family holiday to your parents. You show pictures. You explain why it is a good idea. You answer their questions. That is presenting.

Nigerian Example

A Nigerian entrepreneur presents a new app to investors. They show the prototype. They explain how it solves a problem in Nigeria. They show how many people need it. The investors are impressed. They invest. That is presenting.

Illustration

   Presentation Structure
   -----------------------
   1. What is it?
        |
        V
   2. What problem does it solve?
        |
        V
   3. How does it work?
        |
        V
   4. Who is it for?
        |
        V
   5. Why is it better?
        |
        V
   6. Questions and answers
  

Mini Summary

Presenting means showing your prototype and explaining it. A good presentation covers what it is, what problem it solves, how it works, who it is for, and why it is better.


Lesson 12: Working in a Design Team

Definition

A design team is a group of people working together to design a product. Each person brings different skills and ideas.

Why It Is Important

Two heads are better than one. A team can think of more ideas. A team can catch mistakes. A team can work faster. Most real products are designed by teams, not one person.

Simple Explanation

Think of a football team. Each player has a role. The goalkeeper stops goals. The striker scores goals. In a design team, each person has a role too. One person sketches. One person builds. One person tests. Together, they make a great product.

Real-Life Example

A company designs a new car. The team includes: a designer who sketches, an engineer who builds, a safety expert who tests, and a marketer who sells. They work together. That is a design team.

School Example

Your class is building a model city. You split into teams. One team designs buildings. One team builds roads. One team makes parks. You work together to make the city. That is a design team.

Home Example

Your family is planning a party. Your mother plans the food. Your father plans the music. You plan the games. You work together. That is a design team.

Nigerian Example

A Nigerian film crew is a design team. The director plans the story. The camera person films. The sound person records. The editor puts it together. Together, they make a Nollywood film.

Illustration

   Design Team Roles
   ------------------
   [Designer] --> Sketches ideas
   [Builder]  --> Builds prototypes
   [Tester]   --> Tests with users
   [Presenter]--> Shows the product
        |
        V
   All work together to make a great product!
  

Mini Summary

A design team is a group of people working together. Each person has a role. Teams are better than one person because they bring more ideas and skills.


Lesson 13: Design Thinking in Action

Definition

Design thinking is a way of solving problems. It puts the user first. It uses empathy, creativity, and testing to find the best solution.

Why It Is Important

Design thinking helps you solve problems in a structured way. It stops you from jumping to solutions too quickly. It makes sure you understand the problem before you solve it.

Simple Explanation

Design thinking has five steps: 1. Empathise (understand the user). 2. Define (state the problem). 3. Ideate (think of ideas). 4. Prototype (build a model). 5. Test (try it out). You repeat these steps until you find the best solution.

Real-Life Example

A hospital wants to reduce waiting times. They use design thinking. Empathise: Talk to patients. Define: "Patients wait too long." Ideate: Think of ideas (more staff, online booking). Prototype: Build a simple booking system. Test: Try it with 20 patients. Improve: Make it better.

School Example

Your school wants to reduce bullying. Empathise: Talk to students. Define: "Students feel unsafe." Ideate: Think of ideas (peer support, reporting system). Prototype: Create a reporting system. Test: Try it for a week. Improve: Make it better.

Home Example

Your family wants to save money. Empathise: Talk to family members. Define: "We spend too much on electricity." Ideate: Think of ideas (solar panels, less AC). Prototype: Try turning off AC for one week. Test: See if bills go down. Improve: Make it permanent.

Nigerian Example

A Nigerian community wants to reduce water shortages. Empathise: Talk to residents. Define: "Water does not flow for days." Ideate: Think of ideas (rainwater harvesting, boreholes). Prototype: Build a rainwater collection system. Test: See how much water it collects. Improve: Make it bigger.

Illustration

   Design Thinking Steps
   ----------------------
   Empathise --> Define --> Ideate --> Prototype --> Test
       |           |          |           |          |
       V           V          V           V          V
   Understand   State      Think of    Build a    Try it
   the user     the        ideas       model      out
                problem
       |           |          |           |          |
       +-----------+----------+-----------+----------+
                              |
                              V
                     Repeat until great! ๐ŸŽ‰
  

Mini Summary

Design thinking is a way to solve problems. It has five steps: empathise, define, ideate, prototype, and test. Repeat until you find the best solution.


Lesson 14: From Prototype to Product

Definition

Turning a prototype into a product means making the final version that people will buy and use. It means using better materials, making it look nice, and making many copies.

Why It Is Important

A prototype is just a test. The real product is what people use. If you want to help people, you must turn your prototype into a real product.

Simple Explanation

Think of a prototype like a rough draft of a book. The final product is the published book. It looks better. It is easier to read. It is available in shops. Turning a prototype into a product is like publishing a book.

Real-Life Example

A designer makes a cardboard prototype of a lamp. It works. Then they make the real lamp with metal and glass. They sell it in shops. That is turning a prototype into a product.

School Example

You make a paper model of a kite. It flies. Then you make a real kite with strong paper and string. You sell it at the school fair. That is turning a prototype into a product.

Home Example

Your mother makes a small pot of soup. It tastes good. Then she makes a big pot for the party. That is turning a prototype into a product.

Nigerian Example

A Nigerian artisan makes a prototype bag from old tyres. It works. Then they make 100 bags and sell them in the market. That is turning a prototype into a product.

Illustration

   Prototype to Product
   ---------------------
   Prototype --> Test --> Improve --> Final Design --> Mass Produce
        |           |         |             |               |
        V           V         V             V               V
   Cardboard    Try it    Make it       Use strong      Many copies
   model        out       better        materials       for people
  

Mini Summary

Turning a prototype into a product means making the final version. Use better materials. Make it look nice. Make many copies. Then people can buy and use your product.


Lesson 15: Celebrating Your Design Journey

Definition

Celebrating means recognising your hard work. It means being proud of what you have made. It means sharing your success with others.

Why It Is Important

Designing is hard work. It takes time, patience, and creativity. Celebrating keeps you motivated. It reminds you why you started. It inspires others to try too.

Simple Explanation

Imagine you ran a race. When you finish, you celebrate. You cheer. You get a medal. Designing is like a race. When you finish, celebrate. You earned it.

Real-Life Example

A designer finishes a project. They show it to their team. They clap and cheer. They go out for a meal. They celebrate. Then they start the next project.

School Example

Your class finishes a big project. Your teacher says, "Well done!" You clap. You feel proud. That is celebrating.

Home Example

You finish building a birdhouse. Your family says, "Great job!" You hang it in the garden. You watch birds use it. You feel happy. That is celebrating.

Nigerian Example

A Nigerian designer launches a new product. They have a party. They invite friends and family. They share the product. They celebrate. That is celebrating your design journey.

Illustration

   Celebration Time
   ----------------
   Finish design --> Show it --> Get praise --> Feel proud --> Celebrate ๐ŸŽ‰
        |               |           |             |              |
        V               V           V             V              V
   Hard work       Share       "Well done!"  Joy           Party!
   paid off        with others
  

Mini Summary

Celebrating means recognising your hard work. Be proud of what you have made. Share your success. Then start your next design journey.


Key Vocabulary

Word Simple Definition
Sketch A quick, simple drawing of an idea.
Prototype An early, simple model of a product.
Low-Fidelity Simple and rough.
High-Fidelity Detailed and close to the real thing.
Testing Giving your prototype to people and watching how they use it.
Feedback What people say about your product after using it.
Iteration Doing something again and again to make it better.
Design Thinking A way of solving problems that puts the user first.
Design Team A group of people working together to design a product.
Presentation Showing your prototype and explaining it to others.
Prototyping Materials The things you use to build your prototype.
Mass Produce Making many copies of a product.
Rough Sketch A quick drawing to explore ideas.
Clean Sketch A neat drawing to show your idea clearly.
Technical Drawing A drawing with exact measurements.

Important Concepts

  • Sketching is thinking: When you sketch, you are not just drawing. You are thinking about how your idea will work.
  • Prototypes are for learning: The purpose of a prototype is not to be perfect. It is to help you learn what works.
  • Test early, test often: The sooner you test, the sooner you find problems. The cheaper it is to fix them.
  • Feedback is a gift: When someone tells you something is wrong, they are helping you. Do not be upset. Say thank you.
  • Iteration leads to excellence: Nobody gets it right the first time. Keep improving until it is great.
  • Teams are stronger: Working with others brings more ideas and skills. Great products are made by teams.
  • Design thinking is a habit: The more you use it, the better you get at solving problems.

Step-by-Step Explanations

How to Build a Prototype (Step by Step)

  1. Choose your idea. Pick the best idea from your brainstorming session.
  2. Sketch it. Draw your idea clearly. Label the parts.
  3. Gather materials. Collect cardboard, paper, tape, glue, scissors, and anything else you need.
  4. Build the basic shape. Cut and fold materials to create the main shape.
  5. Add details. Add buttons, slots, handles, or anything else your design needs.
  6. Test it. Try using your prototype. Does it work?
  7. Fix problems. If something does not work, change it.
  8. Test again. Try it with real users. Watch how they use it.
  9. Improve it. Use feedback to make it better.
  10. Repeat. Keep testing and improving until you are happy with it.

Real-Life Examples

  • Smartphone: Prototypes were made of cardboard and plastic before the real phone was built.
  • Car: Car companies make clay models and computer models before building real cars.
  • Furniture: Furniture makers build small models before making full-size chairs and tables.
  • App: App developers make clickable prototypes before writing the real code.
  • Food packaging: Companies make sample packages and test them with customers before mass production.

Nigerian Examples

  • Innoson vehicles: Prototypes were built and tested before mass production of Nigerian cars.
  • Nollywood films: Film crews test scenes and edit before releasing the final movie.
  • Nigerian fashion: Designers make sample outfits before sewing for customers.
  • Local crafts: Artisans make small models before making full-size bags, shoes, or furniture.
  • Tech startups: Nigerian tech companies build prototypes of apps and test them with users before launching.

Fun Examples Children Can Relate To

  • Video game controller: Designers make cardboard controllers to test the shape before making the real one.
  • Lego blocks: The first Lego blocks were prototypes. They were tested with children.
  • Bicycle: Early bicycles were prototypes. They had different shapes and sizes.
  • Ice cream cone: The first cones were prototypes. They were tested at fairs.
  • Pencil case: Designers make paper models before making plastic or fabric cases.

Everyday Examples

  • Toothbrush: Prototypes are made to test the shape and bristles.
  • Plate: Prototypes are made to test size and weight.
  • Cup: Prototypes are made to test handle position and size.
  • Chair: Prototypes are made to test comfort and strength.
  • Shoe: Prototypes are made to test fit and comfort.
  • Comb: Prototypes are made to test teeth spacing and handle shape.

Parent Tips

  • Encourage your child to sketch their ideas. Provide paper and pencils.
  • Save cardboard boxes, bottles, and other materials for prototyping.
  • When your child builds something, ask them to test it and improve it.
  • Praise the effort, not just the result. Prototyping is about learning.
  • Help your child present their prototype to family members.
  • Watch design-related shows together. Talk about how things are made.

Interesting Facts

  • The first prototype of the iPhone was a wooden block with a screen painted on it.
  • Car companies use clay to make full-size prototypes of new cars.
  • The first Lego block was made of wood, not plastic.
  • The first bicycle had no pedals. You pushed it with your feet.
  • The first umbrella was designed to protect people from the sun, not the rain.

Did You Know?

  • Did you know that the design of a spoon is different in different cultures? Prototypes are made to test which shape works best.
  • Did you know that the first computer mouse was made of wood? It was a prototype.
  • Did you know that the design of a bus is different in different countries? Prototypes are made to test what people need.
  • Did you know that the design of a school desk has changed over time? Prototypes are made to test comfort and usefulness.
  • Did you know that the design of a football is not just a ball? Prototypes are made to test visibility and flight.

Remember This

  • Sketching helps you think and share ideas.
  • Prototypes are early models for testing.
  • Start with low-fidelity prototypes.
  • Test early and test often.
  • Feedback helps you improve.
  • Iteration means improving again and again.
  • Teams are stronger than one person.
  • Design thinking puts the user first.
  • Turn your prototype into a real product.
  • Celebrate your hard work!

Common Mistakes

  • Not testing: Assuming your prototype is perfect without testing it.
  • Testing with friends only: Friends may be too kind. Test with strangers too.
  • Making it too perfect: Spending too much time on a prototype that might change.
  • Ignoring feedback: Getting feedback but not using it to improve.
  • Giving up too soon: Stopping after the first version instead of iterating.
  • Working alone: Not using the power of a team.

Best Practices

  • Sketch many ideas before choosing one.
  • Start with low-fidelity prototypes.
  • Test with real users in real situations.
  • Ask open questions during testing.
  • Listen more than you talk.
  • Use feedback to improve your design.
  • Iterate until your product is great.
  • Work with a team.
  • Present your prototype clearly.
  • Celebrate your progress.

More ASCII Illustrations

Prototyping Timeline

   Week 1: Sketch ideas
   Week 2: Build low-fidelity prototype
   Week 3: Test with users
   Week 4: Gather feedback
   Week 5: Improve prototype
   Week 6: Build high-fidelity prototype
   Week 7: Test again
   Week 8: Final product ๐ŸŽ‰
  

Design Thinking Flowchart

   Empathise --> Define --> Ideate --> Prototype --> Test
       |           |          |           |          |
       V           V          V           V          V
   Understand   State      Think of    Build a    Try it
   the user     the        ideas       model      out
                problem
       |           |          |           |          |
       +-----------+----------+-----------+----------+
                              |
                              V
                     Repeat until great! ๐ŸŽ‰
  

From Problem to Product

   Problem --> Research --> Ideas --> Sketch --> Prototype
       |           |           |         |           |
       V           V           V         V           V
   "This is    Understand  Think of  Draw it    Build a
    hard"      users       solutions quickly    model
                                                      |
                                                      V
   Final Product <-- Improve <-- Test <-- Feedback <--+
        |
        V
   "This works! ๐ŸŽ‰"
  

Comparison Tables

Low-Fidelity vs. High-Fidelity Prototypes

Low-Fidelity High-Fidelity
Quick to make Takes time to make
Cheap materials Expensive materials
Rough and simple Detailed and realistic
Easy to change Hard to change
Used for testing ideas Used for testing experience

Prototype vs. Final Product

Prototype Final Product
Made quickly Made carefully
Uses cheap materials Uses strong materials
May look rough Looks neat
Used for testing Used by real people
Can be changed easily Hard to change

Summary After Every Lesson

Lesson 1 Summary

Sketching is drawing quick ideas. It helps you think, remember, and share.

Lesson 2 Summary

There are different types of sketches: rough, clean, and technical.

Lesson 3 Summary

A prototype is an early model of a product. It helps you test ideas.

Lesson 4 Summary

Low-fidelity prototypes are simple. High-fidelity prototypes are detailed.

Lesson 5 Summary

Prototyping materials include cardboard, paper, tape, glue, and old boxes.

Lesson 6 Summary

Building a prototype means making a simple model of your idea.

Lesson 7 Summary

Testing means giving your prototype to real people and learning from them.

Lesson 8 Summary

Feedback is what people say about your product. Use it to improve.

Lesson 9 Summary

Iteration means improving your product again and again.

Lesson 10 Summary

Common mistakes include not testing, testing with friends only, and giving up too soon.

Lesson 11 Summary

Presenting means showing your prototype and explaining it clearly.

Lesson 12 Summary

A design team is a group of people working together. Teams are stronger.

Lesson 13 Summary

Design thinking has five steps: empathise, define, ideate, prototype, test.

Lesson 14 Summary

Turning a prototype into a product means making the final version.

Lesson 15 Summary

Celebrating means recognising your hard work. Be proud of what you made.


End-of-Module Summary

Congratulations! You have completed Module Three: From Ideas to Prototypes. You have learned a lot. Let us review.

  • Sketching is drawing quick ideas.
  • There are different types of sketches: rough, clean, and technical.
  • A prototype is an early model of a product.
  • Low-fidelity prototypes are simple. High-fidelity prototypes are detailed.
  • Prototyping materials include cardboard, paper, tape, glue, and old boxes.
  • Building a prototype means making a simple model of your idea.
  • Testing means giving your prototype to real people.
  • Feedback is what people say about your product.
  • Iteration means improving again and again.
  • Common mistakes include not testing and giving up too soon.
  • Presenting means showing and explaining your prototype.
  • A design team is a group working together.
  • Design thinking has five steps: empathise, define, ideate, prototype, test.
  • Turning a prototype into a product means making the final version.
  • Celebrating means recognising your hard work.

You now know how to turn ideas into prototypes. You know how to sketch, build, test, and improve. You know how to work in a team and present your ideas. These skills will help you design products that people love.

You are now a product designer. You can look at a problem and say, "I can design a solution." That is a powerful skill.


Frequently Asked Questions (10 Questions)

  1. What is a prototype?
    A prototype is an early, simple model of a product.
  2. Why do we sketch ideas?
    Sketching helps us think, remember, and share ideas.
  3. What is the difference between low-fidelity and high-fidelity?
    Low-fidelity is simple and rough. High-fidelity is detailed and realistic.
  4. Why do we test prototypes?
    We test to find problems and make the product better.
  5. What is feedback?
    Feedback is what people say about your product after using it.
  6. What is iteration?
    Iteration means improving your product again and again.
  7. What is design thinking?
    Design thinking is a way of solving problems that puts the user first.
  8. Why work in a team?
    Teams bring more ideas and skills. Great products are made by teams.
  9. How do I present my prototype?
    Explain what it is, what problem it solves, how it works, who it is for, and why it is better.
  10. What do I do after testing?
    Use the feedback to improve your prototype. Then test again.

Matching Exercises

Match the word on the left with its definition on the right.

Word Definition
1. Sketch A. An early model of a product
2. Prototype B. What people say about your product
3. Testing C. A quick drawing of an idea
4. Feedback D. Doing something again to make it better
5. Iteration E. Giving your prototype to people to use

Answers: 1-C, 2-A, 3-E, 4-B, 5-D


Scenario-Based Exercises

Scenario 1: The Broken School Bag

Your friend's school bag is torn. The straps are broken. The zipper does not work. Books fall out.

Questions:

  1. What is the problem?
  2. Sketch a better school bag.
  3. What materials would you use for a prototype?
  4. How would you test your prototype?
  5. What feedback would you ask for?

Scenario 2: The Water Bottle That Leaks

Your friend has a water bottle. It leaks in her bag. Her books get wet.

Questions:

  1. What is the problem?
  2. Sketch a better water bottle.
  3. Build a simple prototype using paper or cardboard.
  4. Test it with water. Does it leak?
  5. Improve your design.

Scenario 3: The Busy Market

You visit a market in Lagos. It is crowded. People are pushing. It is hard to move.

Questions:

  1. What problems do you observe?
  2. How could the market be designed better?
  3. Sketch a solution.
  4. What would you prototype first?
  5. How would you test it?

Group Activity

Activity: Build a Better Pencil Case

  1. Form groups of 4โ€“5 students.
  2. Each group discusses: What are the problems with current pencil cases?
  3. Brainstorm ideas for a better pencil case.
  4. Sketch your best idea on a large sheet of paper.
  5. Build a simple prototype using cardboard and tape.
  6. Test your prototype with another group.
  7. Ask for feedback: "What do you like? What would you change?"
  8. Improve your prototype based on feedback.
  9. Present your final prototype to the class.

Individual Activity

Activity: Prototype a Better Spoon

  1. Look at a spoon in your home.
  2. What problems does it have? (Too small? Too big? Handle hurts?)
  3. Sketch three ideas for a better spoon.
  4. Choose the best idea.
  5. Build a simple prototype using cardboard or clay.
  6. Test it with water or rice.
  7. Ask a family member for feedback.
  8. Improve your prototype.
  9. Show your final prototype to your class.

Mini Project

Project: Design and Prototype a Useful Object for Your Home

  1. Identify a problem in your home. (Example: shoes are scattered.)
  2. Observe how your family deals with the problem.
  3. Sketch three possible solutions.
  4. Choose the best solution.
  5. Build a prototype using cardboard, paper, or other materials.
  6. Test it with your family. Ask for feedback.
  7. Improve your prototype based on feedback.
  8. Build a final version with better materials.
  9. Present your project to your class or family.

Practical Assignment

Assignment: Prototype and Test a Product

  1. Choose one product to redesign: a pen, a cup, a bag, or a chair.
  2. Sketch your redesign idea.
  3. Build a low-fidelity prototype using cardboard or paper.
  4. Test your prototype with 3 people.
  5. Ask open questions: "What do you like? What would you change?"
  6. Write a short report (1โ€“2 pages) that includes:
    • What is the product?
    • What problems does the original have?
    • What is your redesign idea?
    • What feedback did you get?
    • How will you improve your design?
    • Draw your final design.
  7. Submit your report and prototype to your teacher.

Key Takeaways

  • Sketching helps you think and share ideas.
  • Prototypes are early models for testing.
  • Start with low-fidelity prototypes.
  • Test early and test often.
  • Feedback helps you improve.
  • Iteration means improving again and again.
  • Teams are stronger than one person.
  • Design thinking puts the user first.
  • Turn your prototype into a real product.
  • Celebrate your hard work!

Classroom Discussion Questions

  1. Why is it important to sketch before building?
  2. What is the difference between a prototype and a final product?
  3. Why should we start with low-fidelity prototypes?
  4. What makes a good prototype?
  5. Why is testing important?
  6. How do you use feedback to improve your design?
  7. What is iteration? Can you give an example?
  8. Why is it good to work in a team?
  9. What are the five steps of design thinking?
  10. What did you enjoy most in this module?

Preparation for the Next Module

In Module Four, we will learn how to validate our designs. We will learn how to test with more users, how to measure success, and how to prepare our designs for the real world. We will also learn how to tell the story of our design journey.

Before the next module, try this:

  • Choose one prototype you built in this module.
  • Test it with 5 more people.
  • Write down all the feedback you get.
  • Think about how you would improve it.
  • Bring your notes and prototype to the next class.

Get ready to take your design to the next level. See you in Module Four!


End of Module Three: From Ideas to Prototypes

5

Module Four

Module Four: Validating and Sharing Your Design

Module Four: Validating and Sharing Your Design


Introduction

Welcome to Module Four! You have come a long way. In Module One, you learned what product design is. In Module Two, you learned how to understand users. In Module Three, you learned how to build and test prototypes. Now, in Module Four, you will learn how to validate your design and share it with the world.

Validation means proving that your design really works. It means showing that people need it, want it, and can use it. It means checking that your design solves the problem you set out to solve.

You will also learn how to tell the story of your design. A good story helps people understand why your product matters. It helps you get support, find customers, and make a difference.

This is the final module of Level One. By the end, you will have a complete design journey from problem to validated product. You will be ready to take your skills to the next level.

Let us begin this final part of our journey together.


Learning Objectives

After finishing this module, you should be able to:

  1. Explain what validation means in product design.
  2. Describe how to test a design with more users.
  3. Measure whether your design is successful.
  4. Use different methods to get honest feedback.
  5. Tell the story of your design clearly and confidently.
  6. Create a simple design portfolio.
  7. Prepare your design for the real world.
  8. Understand what makes a product ready for market.
  9. Give examples of validated designs from Nigeria and around the world.
  10. Present your complete design journey to others.

Warm-up Story: Ngozi's Big Presentation

Ngozi is a 13-year-old girl who lives in Enugu. She loves cooking with her grandmother. But there is a problem. Her grandmother's kitchen is smoky. The firewood stove makes her cough. Her eyes water. It is not healthy.

Ngozi decided to design a better stove. She spent weeks on it. She did research. She talked to her grandmother and other women in the village. She sketched many ideas. She built a prototype from old metal and clay. She tested it.

Her first prototype was too small. Her second prototype was too heavy. Her third prototype worked better. It used less firewood. It made less smoke. Her grandmother liked it.

Now Ngozi had a problem. Her teacher said, "Ngozi, you must present your design at the school science fair. You must show everyone how it works and why it matters."

Ngozi was nervous. She had never presented before. She did not know what to say. She did not know how to explain her design to people who had never seen it.

Her grandmother said, "Ngozi, just tell them the story. Tell them about my cough. Tell them about your sketches. Tell them about your prototypes. Tell them about the final stove. Tell them how it helps me. That is all you need to do."

Ngozi took a deep breath. She practised her story. She practised in front of her grandmother. She practised in front of the mirror. She practised in front of her friends.

On the day of the science fair, Ngozi stood up. Her hands were shaking. But she remembered her grandmother's words. She told her story. She showed her sketches. She showed her prototype. She showed the final stove. She explained how it worked. She explained how it helped her grandmother.

When she finished, everyone clapped. The judges asked questions. She answered them. She won first prize.

That is what we will learn in this module: how to validate your design and how to share your story with the world.

   Ngozi's Journey
        |
        V
   Notices grandmother's cough
        |
        V
   Researches and sketches
        |
        V
   Builds prototypes (1, 2, 3)
        |
        V
   Tests with grandmother
        |
        V
   Improves design
        |
        V
   Prepares presentation
        |
        V
   Tells her story
        |
        V
   Wins first prize! ๐ŸŽ‰
  

Main Lessons

Lesson 1: What Is Validation?

Definition

Validation is proving that your design works. It means showing that people need it, want it, and can use it. It means checking that your design solves the problem you set out to solve.

Why It Is Important

You might think your design is great. But that is not enough. You need proof. Validation gives you proof. It shows that your design is not just a good idea. It is a working solution.

Simple Explanation

Imagine you bake a cake. You think it tastes good. But you need to know if others like it. You give it to your family. They taste it. They say, "This is delicious!" That is validation. Your cake is validated.

Real-Life Example

A company designs a new app. Before launching, they test it with 100 people. The people use it. They say it is easy and helpful. The company has validated their app. Now they can launch with confidence.

School Example

You write a story for English class. You give it to three classmates to read. They say it is interesting and clear. Your story is validated. You can submit it to the teacher with confidence.

Home Example

Your mother makes a new soup. She gives it to the family. Everyone says it is delicious. That is validation. She can make it again for guests.

Nigerian Example

A Nigerian entrepreneur designs a new food seasoning. They give samples to 50 market women. The women use it in their cooking. They say it makes the food taste better. The entrepreneur has validated the seasoning. Now they can produce it in large quantities.

Illustration

   Validation Process
   -------------------
   Design --> Test with Users --> Get Feedback --> Prove It Works
       |             |                  |                  |
       V             V                  V                  V
   "I made       "Try this"         "This is          "It works!
    this"                            great!"           I can share
                                                       it now"
  

Mini Summary

Validation is proving that your design works. It means showing that people need it, want it, and can use it. Always validate before you share your design.


Lesson 2: Why Validation Matters

Definition

Validation matters because it tells you if your design is ready. It tells you if you have solved the problem. It tells you if people will use your product.

Why It Is Important

Without validation, you are guessing. You might launch a product nobody wants. You might waste time, money, and effort. Validation saves you from these mistakes.

Simple Explanation

Imagine you want to sell lemonade. You make a jug. You think it tastes good. But you do not know if others will buy it. You give free samples. People taste it. Some say it is too sour. Some say it is perfect. You adjust the recipe. Now you know what people like. That is why validation matters.

Real-Life Example

A car company designs a new car. They spend millions. But before selling, they test it. They crash it. They drive it in different conditions. They validate that it is safe and reliable. Without validation, they could sell a dangerous car.

School Example

Your teacher asks you to design a poster for the school play. You make one. But before printing 100 copies, you show it to 10 students. They say the text is too small. You make it bigger. Now your poster is validated. It will work for everyone.

Home Example

Your father wants to buy a new generator. He reads reviews. He asks friends who own generators. He checks the price and quality. He validates his choice before buying. That is why validation matters.

Nigerian Example

A Nigerian tech company designs a new payment app. Before launching, they test it with 200 users in Lagos, Abuja, and Port Harcourt. They find that some users cannot complete transactions. They fix the problem. They validate the app. Now it works for everyone.

Illustration

   Why Validation Matters
   -----------------------
   Without Validation: Guess --> Launch --> Fail --> Waste money
        |                  |         |         |
        V                  V         V         V
   "I think it        "Let's    "Nobody    "We lost
    will work"         sell it"  buys it"   everything"

   With Validation: Test --> Learn --> Improve --> Launch --> Succeed
        |            |         |           |          |
        V            V         V           V          V
   "Let's see     "They     "Let's fix  "Now it's  "People
    what users    like X"    X"          ready"     love it"
    think"
  

Mini Summary

Validation matters because it tells you if your design is ready. It stops you from wasting time and money on products nobody wants. Always validate before you launch.


Lesson 3: Testing with More Users

Definition

Testing with more users means giving your prototype to a larger group of people. It means getting feedback from many different types of users.

Why It Is Important

Testing with one or two people is not enough. Different people have different needs. Testing with more users helps you find problems you might have missed.

Simple Explanation

Imagine you want to know if your new game is fun. You play it with one friend. They like it. But that is not enough. You play it with 10 friends. Some like it. Some find it confusing. Now you know what to improve. That is testing with more users.

Real-Life Example

A company designs a new chair. They test it with 5 people. They all say it is comfortable. But then they test it with 50 people. Some short people say it is too high. Some tall people say it is too low. The company learns to make the chair adjustable.

School Example

Your class designs a new school uniform. You test it with 10 students. They like it. But when you test it with 100 students, you find that some students need larger sizes. Some need longer sleeves. You adjust the design. That is testing with more users.

Home Example

Your mother cooks a new dish. She gives it to your family. They like it. But when she serves it at a party, some guests say it is too spicy. Now she knows to make it less spicy next time. That is testing with more users.

Nigerian Example

A Nigerian designer creates a new mobile app for farming. They test it with 10 farmers in one village. It works. But when they test it with 100 farmers in different states, they find that some farmers cannot read English. They add local language options. That is testing with more users.

Illustration

   Testing with More Users
   ------------------------
   Test with 5 --> Find some problems
        |
        V
   Test with 20 --> Find more problems
        |
        V
   Test with 100 --> Find even more problems
        |
        V
   Fix all problems --> Launch with confidence
  

Mini Summary

Testing with more users means getting feedback from many people. It helps you find problems you might have missed. Always test with a large and diverse group of users.


Lesson 4: Measuring Success

Definition

Measuring success means checking if your design is actually working. It means using numbers to see if people like it and use it.

Why It Is Important

Feelings are good. But numbers are better. Measuring success gives you proof that your design works. It helps you make decisions based on facts, not just opinions.

Simple Explanation

Imagine you want to know if your new study method works. You could just feel like it works. But better: you check your test scores before and after. If your scores go up, your method works. That is measuring success.

Real-Life Example

A restaurant wants to know if customers like their new menu. They count how many people order the new dishes. They count how many come back. They measure success with numbers.

School Example

Your class wants to know if the new library is helping. You count how many students use it each day. You count how many books are borrowed. You measure success with numbers.

Home Example

Your family wants to save electricity. You check the electricity bill before and after. If the bill goes down, your plan is working. That is measuring success.

Nigerian Example

A Nigerian entrepreneur launches a new food delivery service. They count how many orders they get each day. They count how many customers come back. They measure success with numbers. If orders go up, the service is working.

Table: Ways to Measure Success

What to Measure How to Measure What It Tells You
Number of users Count how many people use it Is it popular?
Repeat users Count how many come back Do people like it?
Time saved Measure before and after Is it useful?
Money saved Calculate the difference Is it valuable?
Problems solved Count how many issues are fixed Is it effective?

Illustration

   Measuring Success
   ------------------
   Before: 100 users
   After:  500 users
        |
        V
   Success! 5x more users

   Before: 10 complaints per day
   After:  2 complaints per day
        |
        V
   Success! Fewer problems
  

Mini Summary

Measuring success means using numbers to check if your design works. Count users, repeat users, time saved, or money saved. Numbers give you proof that your design is successful.


Lesson 5: Getting Honest Feedback

Definition

Honest feedback is when people tell you the truth about your design. They tell you what they really think, not just what you want to hear.

Why It Is Important

If people only say nice things, you will not improve. Honest feedback helps you find problems. It helps you make your design better.

Simple Explanation

Imagine you have food in your teeth. A friend says, "You have food in your teeth." That is honest feedback. It might feel embarrassing. But it helps you. You can clean your teeth. Honest feedback is a gift.

Real-Life Example

A designer shows a new logo to a client. The client says, "I do not like the colours. They are too dark." The designer could be upset. But instead, they say, "Thank you. Let me try lighter colours." That is using honest feedback.

School Example

You write an essay. Your friend reads it and says, "The introduction is boring. You should start with a question." That is honest feedback. It might hurt. But it helps you write a better essay.

Home Example

You cook dinner. Your brother says, "It needs more salt." That is honest feedback. You add salt. Now it tastes better.

Nigerian Example

A Nigerian fashion designer shows a new dress to a customer. The customer says, "The waist is too tight. I cannot breathe." That is honest feedback. The designer adjusts the dress. Now the customer is happy.

Illustration

   Getting Honest Feedback
   ------------------------
   Show design --> Ask "What do you really think?"
        |                      |
        V                      V
   "It's nice"            "It's nice, but..."
   (Not helpful)          (Helpful! Now you can improve)

   Always ask for honest feedback!
  

Mini Summary

Honest feedback is when people tell you the truth. It helps you find problems and improve your design. Do not be upset by honest feedback. Say thank you and use it to get better.


Lesson 6: Different Types of User Testing

Definition

There are different ways to test your design with users. Each way gives you different information. You can choose the best way for your situation.

Why It Is Important

Knowing different testing methods helps you get the feedback you need. Some methods are quick. Some are deep. Some work for physical products. Some work for apps.

Simple Explanation

Think of testing like asking for directions. You could ask one person. You could ask many people. You could watch people get lost. You could use a map. Each way gives you different information.

Real-Life Example

A company tests a new website. They use three methods: 1. They watch users try to find information. 2. They ask users to rate the website. 3. They count how many people buy something. Each method gives different feedback.

School Example

Your class tests a new school rules poster. Method 1: You watch students read it. Method 2: You ask students if it is clear. Method 3: You check if students follow the rules. Each method helps you improve the poster.

Home Example

Your family tests a new chore chart. Method 1: You watch if everyone uses it. Method 2: You ask family members if it helps. Method 3: You check if chores are done on time. Each method helps you improve the chart.

Nigerian Example

A Nigerian designer tests a new farming app. Method 1: They watch farmers use the app. Method 2: They ask farmers what they think. Method 3: They check if farmers use it again. Each method helps improve the app.

Table: Types of User Testing

Type What You Do What You Learn
Observation Watch users use your product Where they get stuck
Interview Ask users questions What they think and feel
Survey Give users a questionnaire What many people think
A/B Testing Give two versions, see which is better Which design works best
Usage Data Count how many people use it If people actually use it

Illustration

   Types of User Testing
   ----------------------
   Observation --> Watch --> "They struggle here"
   Interview  --> Ask   --> "They want this feature"
   Survey     --> Count --> "80% like this"
   A/B Test   --> Compare --> "Version B is better"
   Usage Data --> Track --> "500 people used it today"
  

Mini Summary

There are different types of user testing: observation, interview, survey, A/B testing, and usage data. Each type gives you different feedback. Use the right type for your situation.


Lesson 7: What Is a Design Story?

Definition

A design story is the story of how you designed your product. It includes the problem you found, the research you did, the ideas you had, the prototypes you built, and the feedback you received.

Why It Is Important

A good story helps people understand your design. It helps them see why it matters. It helps you get support, find customers, and make a difference.

Simple Explanation

Think of a movie. It has a beginning, a middle, and an end. Your design story has the same. Beginning: the problem. Middle: your journey. End: the solution. When you tell your story, people follow along.

Real-Life Example

A designer created a new type of wheelchair. Their story: "I saw my uncle struggle with stairs. I researched wheelchair designs. I sketched many ideas. I built a prototype. I tested it. I improved it. Now my uncle can go up stairs safely." That is a design story.

School Example

Your design story: "Our school had a problem with litter. We researched why students litter. We found that bins were too far away. We designed a new bin system. We tested it. We improved it. Now the school is cleaner." That is a design story.

Home Example

Your design story: "Our kitchen was messy. We researched how we use the kitchen. We designed a new storage system. We built a prototype. We tested it. We improved it. Now the kitchen is organised." That is a design story.

Nigerian Example

A Nigerian designer's story: "I saw market women carrying heavy loads. I researched their needs. I designed a light trolley. I built a prototype. I tested it with 20 women. I improved it. Now 100 women use it every day." That is a design story.

Illustration

   Design Story Structure
   -----------------------
   Beginning: The Problem
        |
        V
   Middle: The Journey
   (Research, Sketches, Prototypes, Testing)
        |
        V
   End: The Solution
   (Final Product, Impact)
        |
        V
   "And that is how I designed..."
  

Mini Summary

A design story is the story of how you designed your product. It has a beginning (the problem), a middle (your journey), and an end (the solution). A good story helps people understand and support your design.


Lesson 8: How to Tell Your Design Story

Definition

Telling your design story means sharing it with others. It means explaining what you did, why you did it, and what you learned.

Why It Is Important

If you cannot tell your story, nobody will understand your design. A good story helps people see the value of your work. It helps you get feedback, support, and customers.

Simple Explanation

Imagine you want to tell your friend about a movie. You do not just say, "It was good." You tell them what happened. You tell them about the characters. You tell them why you liked it. That is telling a story. Your design story is the same.

Real-Life Example

A designer presents their work to a company. They start with the problem: "People cannot find parking." They explain their research: "We talked to 100 drivers." They show their ideas: "We sketched 20 solutions." They show their prototype: "We built this app." They share results: "90% of users found parking faster." That is telling a design story.

School Example

You present your science project. You say: "Our problem was dirty water. We researched filtration. We designed a filter. We built a prototype. We tested it. It removed 80% of dirt. We improved it. Now it removes 95%." That is telling a design story.

Home Example

You tell your family about your new chore chart. "Our problem was confusion about chores. I researched what everyone wanted. I designed a chart. I tested it for a week. I improved it. Now everyone knows what to do." That is telling a design story.

Nigerian Example

A Nigerian entrepreneur presents their new app to investors. "Our problem: people cannot find reliable transport. Our research: we talked to 500 commuters. Our solution: this app connects riders with drivers. Our results: 1,000 rides completed in the first month." That is telling a design story.

Illustration

   Telling Your Design Story
   --------------------------
   1. Start with the problem
        |
        V
   2. Explain your research
        |
        V
   3. Show your ideas
        |
        V
   4. Show your prototype
        |
        V
   5. Share your results
        |
        V
   6. End with the impact
  

Mini Summary

Telling your design story means sharing it with others. Start with the problem. Explain your research. Show your ideas. Show your prototype. Share your results. End with the impact.


Lesson 9: Creating a Design Portfolio

Definition

A design portfolio is a collection of your design work. It shows your sketches, prototypes, tests, and final products. It tells the story of your design journey.

Why It Is Important

A portfolio is proof of your skills. It shows what you can do. It helps you get into schools, get jobs, and get support for your ideas.

Simple Explanation

Think of a portfolio like a photo album. But instead of photos of your family, it has photos of your design work. It shows where you started and how you improved.

Real-Life Example

A designer applies for a job. They show their portfolio. It includes sketches, prototypes, and final products. The employer is impressed. They hire the designer. That is the power of a portfolio.

School Example

You apply for a design competition. You submit your portfolio. It shows your best work. The judges see your skills. They select you for the competition. That is a design portfolio.

Home Example

You keep a folder of your drawings and projects. When guests come, you show them. They say, "You are so talented!" That is a simple portfolio.

Nigerian Example

A Nigerian fashion designer has a portfolio of their best outfits. They show it to customers. Customers choose what they want. The portfolio helps the designer get more business.

Table: What to Include in a Portfolio

Item Why It Matters
Problem statement Shows what you were trying to solve
Sketches Shows your thinking process
Prototype photos Shows what you built
Test results Shows that your design works
Final product Shows the result of your work
User feedback Shows that people like it

Illustration

   Design Portfolio
   ----------------
   [Problem] --> [Sketches] --> [Prototypes] --> [Tests] --> [Final]
        |             |              |            |           |
        V             V              V            V           V
   "What I        "My ideas"    "What I      "Proof it   "The
    solved"                      built"       works"      result"
  

Mini Summary

A design portfolio is a collection of your design work. It shows your sketches, prototypes, tests, and final products. A portfolio is proof of your skills. It helps you get opportunities.


Lesson 10: Preparing for the Real World

Definition

Preparing for the real world means getting your design ready to be used by real people. It means making sure it is safe, strong, and ready for many users.

Why It Is Important

A prototype is just a test. The real world is different. Real users will use your product in different ways. You need to prepare for that. You need to make sure your product is ready.

Simple Explanation

Imagine you built a model car. It works on your desk. But to drive on a real road, it needs stronger wheels, a better engine, and safety features. Preparing for the real world means making those improvements.

Real-Life Example

A company designs a new toy. The prototype works. But before selling, they test it for safety. They make sure small parts do not come off. They make sure the paint is not toxic. They prepare it for the real world.

School Example

Your class designs a new bench for the playground. The prototype works. But before building the real one, you check: Is it strong enough? Is it safe? Will it last in the rain? You prepare it for the real world.

Home Example

Your mother makes a new shelf. The prototype works. But before putting heavy books on it, she checks: Is it strong? Is it safe? Will it fall? She prepares it for the real world.

Nigerian Example

A Nigerian entrepreneur designs a new solar lamp. The prototype works. But before selling, they test it: Does it work in the rain? Does it last all night? Is it safe for children? They prepare it for the real world.

Illustration

   Preparing for the Real World
   -----------------------------
   Prototype --> Test --> Improve --> Make Strong --> Make Safe
        |          |         |            |             |
        V          V         V            V             V
   "It works    "It works  "Make it    "Use strong   "No sharp
    on my desk"  for some"  better"     materials"    edges"
        |          |         |            |             |
        +----------+---------+------------+-------------+
                              |
                              V
                     Ready for real users! ๐ŸŽ‰
  

Mini Summary

Preparing for the real world means getting your design ready for real users. Make it strong. Make it safe. Make it last. Test it in different conditions. Then it is ready for the world.


Lesson 11: What Makes a Product Ready for Market?

Definition

A product is ready for market when it is finished, tested, safe, and ready to be sold. It means the product is no longer a prototype. It is a real product for real people.

Why It Is Important

If you launch too early, your product might fail. If you launch too late, someone else might launch first. Knowing when your product is ready helps you succeed.

Simple Explanation

Think of a fruit. A mango is not ready to eat when it is green. It is ready when it is ripe. A product is the same. It is ready when it is tested and safe and works for everyone.

Real-Life Example

A phone company makes a new phone. They test it. They fix problems. They make it strong. They make it safe. When it passes all tests, it is ready for market. They start selling.

School Example

Your class makes a new board game. You test it. You fix the rules. You make it fun. You make it clear. When everyone understands and enjoys it, it is ready for market. You sell it at the school fair.

Home Example

Your mother makes a new cake recipe. She tests it. She fixes the taste. She makes it beautiful. When everyone loves it, it is ready for market. She sells it to friends.

Nigerian Example

A Nigerian entrepreneur makes a new snack. They test it. They fix the taste. They make the packaging attractive. When it passes all tests, it is ready for market. They sell it in shops.

Table: Signs Your Product Is Ready for Market

Sign Why It Matters
It works consistently Users can rely on it
It is safe Users will not get hurt
Users like it People will buy it
It solves the problem It does what it is supposed to do
It is easy to use Users do not need help
It is strong It will last a long time

Illustration

   Ready for Market?
   ------------------
   Does it work? --No--> Fix it
        |
       Yes
        |
        V
   Is it safe? --No--> Fix it
        |
       Yes
        |
        V
   Do users like it? --No--> Improve it
        |
       Yes
        |
        V
   Ready for market! ๐ŸŽ‰
  

Mini Summary

A product is ready for market when it is finished, tested, safe, and works for everyone. It should be strong, easy to use, and loved by users.


Lesson 12: Getting Your First Users

Definition

Getting your first users means finding people who will try your product. These are called early adopters. They give you feedback and help you improve.

Why It Is Important

Your first users are very important. They tell you what is working and what is not. They help you make your product better. They also tell others about your product.

Simple Explanation

Imagine you open a lemonade stand. Your first customers are your family and friends. They taste your lemonade. They tell you if it is good. They tell their friends. Soon, more people come. That is getting your first users.

Real-Life Example

A new app launches. The first 100 users are the early adopters. They use the app. They give feedback. The app makers improve the app. Then more people start using it.

School Example

Your class makes a new game. You ask 10 students to play it. They are your first users. They give feedback. You improve the game. Then you invite more students. That is getting your first users.

Home Example

You start a small business selling handmade cards. Your first customers are your neighbours. They buy your cards. They tell their friends. That is getting your first users.

Nigerian Example

A Nigerian entrepreneur starts a food delivery service. Their first customers are people in their neighbourhood. They deliver food. They get feedback. They improve. Then they expand to other areas. That is getting your first users.

Illustration

   Getting Your First Users
   -------------------------
   You --> Family --> Friends --> Neighbours --> Community
    |        |          |            |              |
    V        V          V            V              V
   "Try     "They      "They tell   "They tell     "Word
    this"    try it"     others"      others"        spreads!"
        |        |          |            |              |
        +--------+----------+------------+--------------+
                              |
                              V
                     More and more users! ๐ŸŽ‰
  

Mini Summary

Getting your first users means finding people to try your product. They give you feedback. They tell others. Start with family, friends, and neighbours. Then expand to your community.


Lesson 13: Learning from Failure

Definition

Failure is when something does not work as planned. It is when your design does not solve the problem. It is when users do not like your product.

Why It Is Important

Failure is not the end. Failure is a lesson. Every failure teaches you something. It helps you improve. Many great products failed many times before they succeeded.

Simple Explanation

Imagine you are learning to ride a bike. You fall. That is failure. But you get up. You try again. You learn from the fall. Soon, you can ride. Failure is part of learning.

Real-Life Example

The first version of many apps fails. Users do not like it. But the makers learn from the failure. They improve. They try again. The second version is better. The third version is a success.

School Example

You take a test and fail. That is failure. But you study harder. You learn from your mistakes. You take the test again. You pass. Failure helped you succeed.

Home Example

Your mother tries a new recipe. It does not taste good. That is failure. But she learns what went wrong. She tries again. It tastes better. Failure helped her improve.

Nigerian Example

A Nigerian entrepreneur starts a business. It fails. They lose money. But they learn what went wrong. They try again with a better plan. The second business succeeds. Failure taught them what to do.

Illustration

   Learning from Failure
   ----------------------
   Try --> Fail --> Learn --> Try Again --> Succeed
     |       |        |           |            |
     V       V        V           V            V
   "Let's  "It did  "What went  "Let's fix  "It works!
    try"    not work" wrong?"    it"         ๐ŸŽ‰"
  

Mini Summary

Failure is when something does not work. It is not the end. Failure is a lesson. Learn from it. Try again. Many great products failed before they succeeded.


Lesson 14: Celebrating Your Success

Definition

Celebrating success means recognising your achievements. It means being proud of what you have done. It means sharing your success with others.

Why It Is Important

Designing is hard work. You deserve to celebrate. Celebrating keeps you motivated. It reminds you why you started. It inspires others to try too.

Simple Explanation

Imagine you finish a big project. You feel tired but happy. You celebrate with your friends. You share your success. That is celebrating.

Real-Life Example

A designer finishes a big project. They show it to their team. Everyone claps. They go out for a meal. They celebrate. Then they start the next project.

School Example

Your class wins a design competition. You celebrate. You take photos. You tell your parents. You feel proud. That is celebrating success.

Home Example

You finish building a birdhouse. Your family says, "Great job!" You hang it in the garden. You watch birds use it. You feel happy. That is celebrating.

Nigerian Example

A Nigerian designer launches a new product. They have a party. They invite friends and family. They share the product. They celebrate. That is celebrating success.

Illustration

   Celebrating Success
   --------------------
   Hard Work --> Success --> Celebrate --> Share --> Inspire Others
        |           |           |           |            |
        V           V           V           V            V
   "I worked   "It works!"  "Let's      "Tell your   "Others
    hard"                    party!"     friends"     see what's
                                                       possible"
  

Mini Summary

Celebrating success means recognising your achievements. Be proud of what you have done. Share your success. It keeps you motivated and inspires others.


Lesson 15: Your Design Journey Continues

Definition

Your design journey does not end here. There is always more to learn. There are always new problems to solve. There are always ways to improve.

Why It Is Important

Design is a lifelong skill. The more you practice, the better you get. The more problems you solve, the more impact you have. Your journey is just beginning.

Simple Explanation

Think of a video game. When you finish one level, you do not stop. You move to the next level. It is harder. But you are better. You have new skills. Your design journey is the same.

Real-Life Example

A designer finishes their first project. It is good. They learn new skills. They take on bigger projects. They design better products. Their journey continues.

School Example

You finish this course. You have learned a lot. But there is more to learn. You can take more courses. You can design more products. Your journey continues.

Home Example

You built a birdhouse. It works. Now you want to build a bird feeder. Then a bird bath. Then a whole bird garden. Your design journey continues.

Nigerian Example

A Nigerian designer starts with one product. It succeeds. They design more products. They solve more problems. They help more people. Their design journey continues.

Illustration

   Your Design Journey
   --------------------
   Module 1: What is design?
        |
        V
   Module 2: Understanding users
        |
        V
   Module 3: Prototyping
        |
        V
   Module 4: Validation and sharing
        |
        V
   Level Two: Advanced design
        |
        V
   Level Three: Mastery
        |
        V
   Your journey continues... ๐ŸŽ‰
  

Mini Summary

Your design journey does not end here. There is always more to learn. Keep practising. Keep solving problems. Keep designing. Your journey continues.


Key Vocabulary

Word Simple Definition
Validation Proving that your design works.
Measuring Success Using numbers to check if your design works.
Honest Feedback When people tell you the truth about your design.
Design Story The story of how you designed your product.
Design Portfolio A collection of your design work.
Ready for Market When a product is finished, tested, safe, and ready to sell.
Early Adopters Your first users who try your product.
Failure When something does not work as planned.
Celebrating Recognising your achievements.
A/B Testing Testing two versions to see which is better.
Usage Data Numbers showing how many people use your product.
Iteration Improving your product again and again.
Impact The change your product makes in the world.
User Testing Giving your product to people to use and give feedback.
Presentation Showing your design and explaining it to others.

Important Concepts

  • Validation is proof: Validation shows that your design works. It is not just your opinion. It is proof.
  • Test with many users: One or two users is not enough. Test with many different people.
  • Measure success with numbers: Numbers give you proof. Count users, repeat users, and problems solved.
  • Honest feedback is a gift: When people tell you the truth, they are helping you. Say thank you.
  • Your story matters: A good story helps people understand and support your design.
  • A portfolio is proof: Your portfolio shows what you can do. It opens doors.
  • Prepare for the real world: Make your product strong, safe, and ready for many users.
  • Failure is a lesson: Every failure teaches you something. Learn from it and try again.
  • Celebrate your success: Be proud of your achievements. Share them with others.
  • Your journey continues: There is always more to learn. Keep designing.

Step-by-Step Explanations

How to Validate Your Design (Step by Step)

  1. Test with more users. Give your prototype to 20โ€“50 people.
  2. Ask for honest feedback. Ask open questions. Listen carefully.
  3. Observe how they use it. Watch where they get stuck. Watch what they like.
  4. Measure success. Count users, repeat users, time saved, or problems solved.
  5. Fix problems. Use feedback to improve your design.
  6. Test again. Give the improved version to users.
  7. Repeat until validated. Keep testing and improving until your design is proven.
  8. Prepare for market. Make sure your design is strong, safe, and ready for real users.
  9. Find your first users. Start with family, friends, and neighbours.
  10. Tell your story. Share your design journey with the world.

Real-Life Examples

  • Smartphone design: Companies test new phones with hundreds of users before launching.
  • Car design: Car companies crash-test prototypes to validate safety.
  • App design: App developers use A/B testing to see which version works best.
  • Food packaging: Companies test packaging with customers before mass production.
  • Furniture design: Furniture makers test chairs and tables with different users.

Nigerian Examples

  • Innoson vehicles: Tested prototypes before mass production of Nigerian cars.
  • Nollywood films: Test screenings help filmmakers improve their movies.
  • Nigerian fashion: Designers test outfits with customers before sewing many copies.
  • Tech startups: Nigerian tech companies test apps with users before launching.
  • Local crafts: Artisans test bags, shoes, and furniture with customers.

Fun Examples Children Can Relate To

  • Video game controller: Designers test controllers with gamers to validate comfort.
  • Lego blocks: Tested with children to validate they are fun and safe.
  • Bicycle: Tested with children to validate safety and ease of use.
  • Ice cream: Tested with children to validate taste and fun.
  • Pencil case: Tested with students to validate usefulness and durability.

Everyday Examples

  • Toothbrush: Tested to validate it cleans teeth and is comfortable.
  • Plate: Tested to validate it holds food and is easy to clean.
  • Cup: Tested to validate it holds liquid and is easy to hold.
  • Chair: Tested to validate it is comfortable and strong.
  • Shoe: Tested to validate it fits and is comfortable.
  • Comb: Tested to validate it untangles hair and is easy to hold.

Parent Tips

  • Encourage your child to test their designs with family and friends.
  • Help your child create a portfolio of their design work.
  • Practice telling design stories together.
  • Praise your child's efforts, not just their results.
  • Help your child learn from failure. Talk about what went wrong and how to improve.
  • Celebrate your child's design successes.

Interesting Facts

  • The first iPhone was tested with hundreds of users before launch.
  • Car companies crash-test over 100 prototypes for each new car model.
  • Many successful apps failed in their first version. They learned from feedback and improved.
  • The design of the Nigerian recharge card has been validated with millions of users.
  • Lego tests its blocks with children to make sure they are safe and fun.

Did You Know?

  • Did you know that the first version of many products is not the final version? They are validated and improved.
  • Did you know that the design of a spoon is different in different cultures? User testing validates which shape works best.
  • Did you know that the first computer mouse was made of wood? It was validated with users.
  • Did you know that the design of a bus is different in different countries? User testing validates what people need.
  • Did you know that the design of a school desk has changed over time? User testing validates what students need today.

Remember This

  • Validation is proving that your design works.
  • Test with many users, not just one or two.
  • Measure success with numbers.
  • Ask for honest feedback. Say thank you.
  • Tell your design story clearly.
  • Create a portfolio of your work.
  • Prepare your design for the real world.
  • Failure is a lesson. Learn from it.
  • Celebrate your success.
  • Your design journey continues.

Common Mistakes

  • Not testing with enough users: One or two users is not enough. Test with many.
  • Only asking friends: Friends may be too kind. Ask strangers too.
  • Ignoring honest feedback: If people tell you the truth, listen. Do not be defensive.
  • Not measuring success: Feelings are not enough. Use numbers to prove your design works.
  • Giving up after failure: Failure is a lesson. Learn from it and try again.
  • Not telling your story: If you cannot explain your design, nobody will understand it.
  • Launching too early: Make sure your product is ready before you sell it.

Best Practices

  • Test with 20โ€“50 users before launching.
  • Ask open questions to get honest feedback.
  • Observe how users actually use your product.
  • Measure success with numbers.
  • Use feedback to improve your design.
  • Tell your design story clearly.
  • Create a portfolio of your work.
  • Prepare your product for the real world.
  • Learn from failure.
  • Celebrate your success.

More ASCII Illustrations

Validation Timeline

   Week 1: Test with 10 users
   Week 2: Gather feedback
   Week 3: Improve design
   Week 4: Test with 50 users
   Week 5: Measure success
   Week 6: Prepare for market
   Week 7: Find first users
   Week 8: Launch! ๐ŸŽ‰
  

Design Story Flowchart

   The Problem --> The Research --> The Ideas --> The Prototype
        |              |               |              |
        V              V               V              V
   "People         "We talked     "We sketched    "We built
    struggle        to 50 users"   20 ideas"       a model"
    with X"
        |              |               |              |
        +--------------+---------------+--------------+
                              |
                              V
                       The Solution --> The Impact
                              |               |
                              V               V
                       "We built       "It helped
                        this"           100 people"
  

From Prototype to Market

   Prototype --> Validate --> Improve --> Prepare --> Launch
        |           |           |           |          |
        V           V           V           V          V
   "It works    "Users like  "Fix the     "Make it   "Share
    for me"      it!"         problems"    strong"    with world"
                                                          |
                                                          V
                                                   Success! ๐ŸŽ‰
  

Comparison Tables

Prototype vs. Validated Product

Prototype Validated Product
Tested with few users Tested with many users
May have problems Problems fixed
Not ready for market Ready for market
Rough and simple Strong and safe
Used for learning Used by real people

Good Feedback vs. Bad Feedback

Good Feedback Bad Feedback
Specific Vague
Honest Too kind
Helps you improve Does not help
Based on real use Based on guesses
Comes from many users Comes from one person

Summary After Every Lesson

Lesson 1 Summary

Validation is proving that your design works.

Lesson 2 Summary

Validation matters because it stops you from wasting time and money on products nobody wants.

Lesson 3 Summary

Testing with more users means getting feedback from many people.

Lesson 4 Summary

Measuring success means using numbers to check if your design works.

Lesson 5 Summary

Honest feedback is when people tell you the truth. It helps you improve.

Lesson 6 Summary

There are different types of user testing: observation, interview, survey, A/B testing, and usage data.

Lesson 7 Summary

A design story is the story of how you designed your product.

Lesson 8 Summary

Telling your design story means sharing it with others.

Lesson 9 Summary

A design portfolio is a collection of your design work.

Lesson 10 Summary

Preparing for the real world means getting your design ready for real users.

Lesson 11 Summary

A product is ready for market when it is finished, tested, safe, and works for everyone.

Lesson 12 Summary

Getting your first users means finding people to try your product.

Lesson 13 Summary

Failure is a lesson. Learn from it and try again.

Lesson 14 Summary

Celebrating success means recognising your achievements.

Lesson 15 Summary

Your design journey continues. There is always more to learn.


End-of-Module Summary

Congratulations! You have completed Module Four: Validating and Sharing Your Design. You have learned a lot. Let us review.

  • Validation is proving that your design works.
  • Testing with more users helps you find problems you might have missed.
  • Measuring success means using numbers to check if your design works.
  • Honest feedback is when people tell you the truth.
  • There are different types of user testing: observation, interview, survey, A/B testing, and usage data.
  • A design story is the story of how you designed your product.
  • Telling your design story means sharing it with others.
  • A design portfolio is a collection of your design work.
  • Preparing for the real world means getting your design ready for real users.
  • A product is ready for market when it is finished, tested, safe, and works for everyone.
  • Getting your first users means finding people to try your product.
  • Failure is a lesson. Learn from it and try again.
  • Celebrating success means recognising your achievements.
  • Your design journey continues. There is always more to learn.

You now know how to validate your design. You know how to test with more users. You know how to measure success. You know how to tell your design story. You know how to create a portfolio. You know how to prepare for the real world. These skills will help you succeed as a product designer.

You have completed Level One of Fundamentals of Product Design. You should be proud of yourself. You have learned a lot. You have grown as a designer. You are ready for the next level.


Frequently Asked Questions (10 Questions)

  1. What is validation?
    Validation is proving that your design works.
  2. Why is validation important?
    Validation stops you from wasting time and money on products nobody wants.
  3. How many users should I test with?
    Test with at least 20โ€“50 users to get good feedback.
  4. What is honest feedback?
    Honest feedback is when people tell you the truth about your design.
  5. What is a design story?
    A design story is the story of how you designed your product.
  6. What is a design portfolio?
    A design portfolio is a collection of your design work.
  7. How do I know if my product is ready for market?
    It is ready when it is finished, tested, safe, and works for everyone.
  8. What if my design fails?
    Failure is a lesson. Learn from it and try again.
  9. How do I get my first users?
    Start with family, friends, and neighbours. Then expand to your community.
  10. What is next after Level One?
    There is Level Two, where you will learn more advanced design skills. Your journey continues.

Matching Exercises

Match the word on the left with its definition on the right.

Word Definition
1. Validation A. A collection of your design work
2. Honest Feedback B. Proving that your design works
3. Design Story C. When people tell you the truth
4. Design Portfolio D. Your first users
5. Early Adopters E. The story of how you designed your product

Answers: 1-B, 2-C, 3-E, 4-A, 5-D


Scenario-Based Exercises

Scenario 1: The New School Bag

Your class designed a new school bag. The prototype works. Now you need to validate it.

Questions:

  1. How many users would you test with?
  2. What questions would you ask?
  3. What would you observe?
  4. How would you measure success?
  5. What would you do if users do not like it?

Scenario 2: The New Cooking Stove

You designed a new cooking stove that uses less firewood. You want to validate it before selling.

Questions:

  1. Who are the users?
  2. How would you test the stove?
  3. What would you measure?
  4. How would you get honest feedback?
  5. How would you tell the design story?

Scenario 3: The New Mobile App

You designed a new app for buying recharge cards. You want to validate it before launching.

Questions:

  1. How many users would you test with?
  2. What type of testing would you use?
  3. What numbers would you measure?
  4. How would you create a portfolio?
  5. How would you find your first users?

Group Activity

Activity: Validate a Design

  1. Form groups of 4โ€“5 students.
  2. Each group chooses a design from Module Three (or a new one).
  3. Plan how you will validate it:
    • How many users will you test with?
    • What questions will you ask?
    • What will you observe?
    • How will you measure success?
  4. Test your design with at least 10 users.
  5. Gather feedback and measure results.
  6. Prepare a design story to share with the class.
  7. Present your validation results and design story.
  8. Other groups give feedback.

Individual Activity

Activity: Create Your Design Portfolio

  1. Gather all your design work from Modules One to Four.
  2. Include:
    • Problem statements
    • Sketches
    • Prototype photos
    • Test results
    • User feedback
    • Final product
  3. Organise your portfolio neatly.
  4. Write a short design story for each project.
  5. Present your portfolio to your teacher or family.

Mini Project

Project: Validate and Present Your Design

  1. Choose one design you created in Module Three.
  2. Test it with at least 20 users.
  3. Ask open questions and observe how they use it.
  4. Measure success with numbers.
  5. Improve your design based on feedback.
  6. Prepare a design story.
  7. Create a portfolio page for this project.
  8. Present your validated design to your class or family.

Practical Assignment

Assignment: Validation Report

  1. Choose one product you designed in this course.
  2. Test it with at least 20 users.
  3. Write a report (2โ€“3 pages) that includes:
    • What is the product?
    • Who are the users?
    • How did you test it?
    • What feedback did you get?
    • What numbers did you measure?
    • What did you learn?
    • How will you improve your design?
    • Your design story.
  4. Include photos of your prototype and test results.
  5. Submit your report to your teacher.

Key Takeaways

  • Validation is proving that your design works.
  • Test with many users, not just one or two.
  • Measure success with numbers.
  • Ask for honest feedback. Say thank you.
  • Tell your design story clearly.
  • Create a portfolio of your work.
  • Prepare your design for the real world.
  • Failure is a lesson. Learn from it.
  • Celebrate your success.
  • Your design journey continues.

Classroom Discussion Questions

  1. Why is validation important in product design?
  2. How many users should you test with? Why?
  3. What is honest feedback? Why is it important?
  4. How do you measure success?
  5. What is a design story? Why does it matter?
  6. What should be in a design portfolio?
  7. How do you know when a product is ready for market?
  8. What can you learn from failure?
  9. Why is it important to celebrate success?
  10. What did you enjoy most in this module?

Preparation for the Next Module

You have completed Level One of Fundamentals of Product Design. Congratulations! You have learned the foundations of product design. You know how to understand users. You know how to sketch and prototype. You know how to test and validate. You know how to tell your story.

In Level Two, you will build on these skills. You will learn:

  • Advanced user research methods
  • Design systems and style guides
  • Interaction design and animation
  • Business models for products
  • Working with design teams

Before Level Two, try this:

  • Keep practising your design skills.
  • Look for problems around you and design solutions.
  • Build your portfolio.
  • Tell your design stories to others.
  • Stay curious. Keep learning.

Your design journey is just beginning. See you in Level Two!


End of Module Four: Validating and Sharing Your Design

End of Level One: Fundamentals of Product Design

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