Mini Challenges!
New inventive challenges posted each week
466
Waste robot
Invent a waste-sorting robot
Check out some other challenges
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549
Heat
Invent a device that generates heat
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
94
All the world's a stage
Design your own theatre or stage to perform on
311
Spring clean
Invent something to help you with spring cleaning
28
Flight of the bumblebee
Design flying machines inspired by birds and insects