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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549
Heat
Invent a device that generates heat
452
Beat the cold
Invent something to help you avoid catching a cold
336
Hair refresh
Invent a tool that makes washing your hair easier
146
Space talk
Invent a device to communicate with other living beings in outer space
340
Doughnut creations
Draw a random object combined with a doughnut!