Mini Challenges!
New inventive challenges posted each week
302
Bring friends together
Invent a device that brings friends together
Check out some other challenges
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515
Colour sorter
Invent a colour sorting machine
115
Green stationary
Design a back to school stationary set using all recycled materials
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
549
Heat
Invent a device that generates heat
548
Lucky
Invent a way to turn your luck around