Mini Challenges!
New inventive challenges posted each week
550
E-waste
Invent something made from electrical items
Check out some other challenges
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549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around
321
Land and sea
Invent a vehicle that can travel over land and sea
496
Show pride
Design a piece of rainbow clothing