Pick a project, follow the steps — and build something that really works.
How it works
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Pick a project
See up front how long it takes, what it costs — and what you'll build by the end.
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Sort your parts
Tick off what you already have at home, and order what's missing in one click.
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Build step by step
Every step ends with a result you can see. No guessing, no getting stuck.
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Build step by step
Every step ends with a result you can see. No guessing, no getting stuck.
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And it works
You finish with an invention that really works, and a numbered finish medal.
Your first invention starts here
Choose a project to buildSome are completely free, some are a single purchase — yours forever.
All projects