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Mini Challenges!

New inventive challenges posted each week

138

The sun collector

Invent a way to charge a device using energy from the sun
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528

Hero arm

Invent a robotic arm
549

Heat

Invent a device that generates heat
105

Monster house

Draw a building that has come to life!
112

Cats and dogs

Design a really fun toy for a pet
548

Lucky

Invent a way to turn your luck around
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