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Module 5: Build Your Mini Project — Final Lesson 🎓

Build it, break it, fix it — then show it off!

⏱ 40 min challenge

💡 The big idea

Real software development is a loop: build → test → break → fix → improve. Deliberately breaking your project then fixing it is how you truly learn to code. Then you present it — just like a real developer.

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Step 1 — Get your first version from Claude

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Use the planning prompt you built in Lesson 5.1 to get Claude to build the first version of your project.

1️⃣

Paste your prompt into Claude and get the code

2️⃣

Read through the code — can you spot what each section does?

3️⃣

Run or open it — does it work? What's missing?

🗣 Discuss: What does the first version do well? What's missing? Describe it before changing anything.

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Step 2 — Break it on purpose, then fix it

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Breaking code on purpose — then fixing it — is one of the best ways to understand how it works. Practice here first, then do the same thing on your real project!

mypage.html

<h1>Hello World</h1> <p>My first webpage.</p> <img src="cat.jpg">

Apply a bug — then fix it:

💡 On your real project: Delete a closing tag in your HTML, reload the page — see what breaks. Then fix it!

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Step 3 — Add one improvement Claude didn't plan

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Pick one improvement, copy the prompt, and ask Claude to add it to your project. This is iterative development in action.

🗣 Discuss: Did the improvement match what you expected? What would you change about the prompt to get a better result?

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Step 4 — Build loop checklist

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Tick each step as you complete it on your real project.

Got first version from Claude

Used my planning prompt and received working code

Ran and tested it

Opened the page or ran the program and saw it working

Broke something on purpose

Changed or deleted one thing to see what happened

Fixed the bug

Found what was wrong and fixed it myself or with Claude's help

Added one improvement

Made my project better than the first version

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Step 5 — Demo day! Present your project

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Every developer presents their work. Tick each item as you prepare your demo for the family.

✓

Run or open my project — show it working live

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Explain what it does in one sentence

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Point to one piece of code I understand and explain it

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Say one thing I'd add if I had more time

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Take a screenshot — this is my first real project! 📸

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Final quiz — the whole course in 4 questions!

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Wrap-up discussion questions

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1️⃣Describe your finished project in one sentence. What does it do?

2️⃣What was the hardest part of building it? What did you do when you got stuck?

3️⃣What is the ONE most important thing you learned in this whole course?

4️⃣What would you like to build or learn next?