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Mini Challenges!

New inventive challenges posted each week

315

April 1st

Invent a device to play a prank on a friend!
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501

Smile!

Invent something to guarantee a smile
160

Ear muffs

Design ear muffs with a special extra function
399

Cat day

Make a cat-themed invention
164

Jolly companion

Invent a jolly companion to keep you company today
549

Heat

Invent a device that generates heat
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