Mini Challenges!
New inventive challenges posted each week
365
Wind power
Draw something powered by wind
You've got the power!
Today is World Wind Day! It's a day to celebrate wind energy and renewable resources. Let's get our thinking caps on. Can you come up with a boat that runs on wind energy? Perhaps a wind-powered charger for devices?
Check out some other challenges
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378
Independence day
Invent something that celebrates your independance
279
Fantasy Skate Park
Design your own fantasy skate park
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around
549
Heat
Invent a device that generates heat