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Mini Challenges!

New inventive challenges posted each week

216

Nature energy

Invent a gadget that produces sustainable energy using nature
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549

Heat

Invent a device that generates heat
364

Combat microplastics

Invent a way to combat microplastic pollution
315

April 1st

Invent a device to play a prank on a friend!
91

Rummy

Invent your own pack of playing cards
83

Sunny side

Make a sunburst cardboard sundial clock
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