Mini Challenges!
New inventive challenges posted each week
502
All weather car
Design a weatherproof car
Check out some other challenges
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103
Under pressure
Invent something that can reduce stress
414
Invent something to keep in your pocket
386
Dog fun
Invent something fun for a dog at home
84
Feeling hot hot hot!
Invent a way to generate heat that uses less energy
190
Memory game
Create a memory challenge for your grown-ups or friends