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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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
392
New thing
Convert an item into a completely new one
548
Lucky
Invent a way to turn your luck around
312
Get gardening
Invent a way to get gardening done much quicker
442
Picnic
Invent something to use on a picnic