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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Pocket
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414
Invent something to keep in your pocket
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
306
Showing support
Invent something that shows support for another country or people
143
Space burger
Invent something that would stop your food from flying away before you can eat it in space
103
Under pressure
Invent something that can reduce stress