Mini Challenges!
New inventive challenges posted each week
140
Drum energy
Invent an instrument that makes energy when you play it
Check out some other challenges
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216
Nature energy
Invent a gadget that produces sustainable energy using nature
433
Asteroid rubble
Make something out of asteroid rubble
138
The sun collector
Invent a way to charge a device using energy from the sun
260
Special jewels
Invent a piece of jewellery with a special extra function
42
Birdy buffet
Design a fun way to feed the birds in your garden