Mini Challenges!
New inventive challenges posted each week
529
Umbrella
Invent a special umbrella
Check out some other challenges
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549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress
195
Snow animal
Draw a snow animal
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
122
Space suit of dreams
Design a new spacesuit that you would want to wear in space