Mini Challenges!
New inventive challenges posted each week
437
Weather control
Invent a way to control the weather
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537
Kinetic
Invent something that uses kinetic energy
549
Heat
Invent a device that generates heat
121
Games in space
Invent a game that you can play in space
288
Ha-ha!
Invent and draw a fun way to get across a ha-ha!
220
Rain cloud rain!
Draw an invention that will make the clouds produce rain