Mini Challenges!
New inventive challenges posted each week
170
Memory lane
Invent a machine that will let you watch old memories back
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
549
Heat
Invent a device that generates heat
326
Egg hunt
Invent a device to help create an egg hunt!
339
Rapid run
Draw something to help you run faster
396
Protect animals
Invent something for animal conservation