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Mini Challenges!

New inventive challenges posted each week

320

Mountain climber

Invent something to help you climb a mountain!
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330

Mother earth

Invent a way to restore damaged ecosystems
126

Safe friends

Invent a way to meet friends and be safe
537

Kinetic

Invent something that uses kinetic energy
103

Under pressure

Invent something that can reduce stress
83

Sunny side

Make a sunburst cardboard sundial clock
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