Mini Challenges!
New inventive challenges posted each week
540
Cake car
Invent a vehicle made of food
Check out some other challenges
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69
Move it move it
Design a way to make sustainable energy through exercising
237
Green turtle eggs
Invent a device to help keep a green turtles egg cool
348
Work it out
Invent a way to get a great workout
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects