Mini Challenges!
New inventive challenges posted each week
492
Communicate
Invent a way to communicate without speaking
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549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
203
Maker Challenge - Musical instrument!
Invent an intriguing musical instrument
383
See space
Draw a device for space exploration
1
Keep your distance
Draw an invention to keep people two metres apart