Mini Challenges!
New inventive challenges posted each week
457
Sky display
Invent an alternative to a fireworks display!
Check out some other challenges
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549
Heat
Invent a device that generates heat
383
See space
Draw a device for space exploration
459
Phone box
Design the interior of a phone box to be anything you like!
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around