Mini Challenges!
New inventive challenges posted each week
432
Help a friend
Invent something to help a friend
Check out some other challenges
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467
Future car
Invent a super unique car of the future!
156
Herb garden
Design a mobile herb garden to feed your local community
365
Wind power
Draw something powered by wind
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
457
Sky display
Invent an alternative to a fireworks display!