Mini Challenges!
New inventive challenges posted each week
537
Kinetic
Invent something that uses kinetic energy
Check out some other challenges
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379
Keeping cool
Invent something to keep you cool for the summer
196
Happy invention
Invent something that would make your friend feel happy
549
Heat
Invent a device that generates heat
546
Long distance
Invent something to help you run long distances
508
Space house
Invent your own space house