Mini Challenges!
New inventive challenges posted each week
222
Stair chair
Invent a wheelchair that can go up and down stairs
Check out some other challenges
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235
Sun capture
Invent a tool that can capture the sunshine
465
Getting chilly
Invent a way to warm up in chilly weather
172
Snow clothes
Invent something that will stop you from getting cold in the snow
548
Lucky
Invent a way to turn your luck around
549
Heat
Invent a device that generates heat