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Lemon Battery
Turn fruit into a power source and make a little LED glow!
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Pick a project and start building! Every project has a parts list, a safety box, easy steps and the science explained.
Beginner first circuits · Tinkerer a bit more building · Inventor coding and bigger builds
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Buzzer Circuit
Make your first noisy circuit with a battery, a buzzer and a switch.
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LED Nightlight
Build a cozy coin-cell nightlight with a paper lantern shade.
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Simple Motor Car
Build a cardboard car that zooms using a little DC motor and a propeller.
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Paper-Clip Switch & Steady-Hand Game
Make your own switch from a paper clip, then build a buzzing steady-hand challenge!
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First Arduino Blink
Write your very first program and make a light blink, just like real engineers do!
Build it →