Mini Challenges!
New inventive challenges posted each week
168
Space exercise
Invent a new way to exercise in space
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103
Under pressure
Invent something that can reduce stress
11
Pet-ercise
Draw a machine to exercise a pet indoors
355
Flower power
Draw a flower with a special ability
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
321
Land and sea
Invent a vehicle that can travel over land and sea