Mini Challenges!
New inventive challenges posted each week
490
You've got mail!
Invent a new way to deliver mail
Check out some other challenges
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239
Camping wonders
Draw an invention that would come in handy at a camping festival
11
Pet-ercise
Draw a machine to exercise a pet indoors
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
466
Waste robot
Invent a waste-sorting robot
103
Under pressure
Invent something that can reduce stress