Mini Challenges!
New inventive challenges posted each week
138
The sun collector
Invent a way to charge a device using energy from the sun
Check out some other challenges
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Pocket
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161
Magic Tree
Draw a magical tree
414
Invent something to keep in your pocket
103
Under pressure
Invent something that can reduce stress
549
Heat
Invent a device that generates heat
143
Space burger
Invent something that would stop your food from flying away before you can eat it in space