Mini Challenges!
New inventive challenges posted each week
176
Apple cycle
Invent a use for your leftover fruit
Check out some other challenges
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262
Busy plants
Invent a gadget that would let you care for your plants when away from home
103
Under pressure
Invent something that can reduce stress
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
323
Baby helper
Invent something to help out new parents
549
Heat
Invent a device that generates heat