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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464
Dream hotel
Design your dream hotel
262
Busy plants
Invent a gadget that would let you care for your plants when away from home
141
Solar dress
Invent a piece of clothing that generates energy
549
Heat
Invent a device that generates heat
148
Pigs can fly!
Invent a way to make an animal that can’t fly, fly!