Mini Challenges!
New inventive challenges posted each week
549
Heat
Invent a device that generates heat
Check out some other challenges
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350
Secret Message
Invent a way to send a secret message
154
Perfect plant
Invent a new species of plant
224
Amazing beaver dam
Draw an amazing dam for a beaver
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
103
Under pressure
Invent something that can reduce stress