Mini Challenges!
New inventive challenges posted each week
196
Happy invention
Invent something that would make your friend feel happy
Check out some other challenges
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94
All the world's a stage
Design your own theatre or stage to perform on
328
Redecorate
Invent a tool to help you redecorate
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress