Mini Challenges!
New inventive challenges posted each week
547
Pumpkin
Invent something that uses a pumpkin
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
374
Running up that hill
Invent a way to run up that hill!
549
Heat
Invent a device that generates heat
116
Special mask
Invent a face mask with an extra special function
129
Bath time
Draw your own dream bathtub with everything you could wish for!