Mini Challenges!
New inventive challenges posted each week
172
Snow clothes
Invent something that will stop you from getting cold in the snow
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
103
Under pressure
Invent something that can reduce stress
106
No write or wrong
Invent a pen that has multiple fun uses
331
Charge it up
Invent a unique way to power devices
549
Heat
Invent a device that generates heat