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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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
418
Dry animals
Invent an umbrella to keep your favourite animal dry from the rain
296
Funny floor
Invent a fun floor which looks like one thing and does something completely unexpected
380
T-Rex help
Invent a way to help a T-Rex reach things!
549
Heat
Invent a device that generates heat