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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554
Snow
Invent something that uses snow
165
Roast dinner
Invent a machine that recycles your left over roast dinner
298
Wake up!
Invent a funny way to wake guests up in the morning
330
Mother earth
Invent a way to restore damaged ecosystems
444
Move it!
Invent a way to create energy from movement