Mini Challenges!
New inventive challenges posted each week
112
Cats and dogs
Design a really fun toy for a pet
Check out some other challenges
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348
Work it out
Invent a way to get a great workout
549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress
309
Keep in contact
Draw a Device that will keep you in contact with family across the world
28
Flight of the bumblebee
Design flying machines inspired by birds and insects