Mini Challenges!
New inventive challenges posted each week
461
Cartoon character
Invent your own cartoon character
Check out some other challenges
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467
Future car
Invent a super unique car of the future!
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
480
All-weather plant
Invent and draw a plant that can survive through all weathers
165
Roast dinner
Invent a machine that recycles your left over roast dinner