Mini Challenges!
New inventive challenges posted each week
135
Paper
Design a new way to record information
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Pocket
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549
Heat
Invent a device that generates heat
414
Invent something to keep in your pocket
51
Star living
Design A home For living in space
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
165
Roast dinner
Invent a machine that recycles your left over roast dinner