Mini Challenges!
New inventive challenges posted each week
152
Hedgehog hotel
Design a hedgehog hotel, with all the comforts it needs
Check out some other challenges
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498
Go girls!
Girls, get inventing!
312
Get gardening
Invent a way to get gardening done much quicker
103
Under pressure
Invent something that can reduce stress
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
100
Leftovers
Invent a machine that recycles your leftover dinner