Mini Challenges!
New inventive challenges posted each week
176
Apple cycle
Invent a use for your leftover fruit
Check out some other challenges
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222
Stair chair
Invent a wheelchair that can go up and down stairs
549
Heat
Invent a device that generates heat
502
All weather car
Design a weatherproof car
548
Lucky
Invent a way to turn your luck around
149
Tree decoration
Invent a Christmas tree decoration that has an extra special function