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Mini Challenges!

New inventive challenges posted each week

220

Rain cloud rain!

Draw an invention that will make the clouds produce rain
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548

Lucky

Invent a way to turn your luck around
222

Stair chair

Invent a wheelchair that can go up and down stairs
397

Watch it

Invent an interesting watch
103

Under pressure

Invent something that can reduce stress
549

Heat

Invent a device that generates heat
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