Mini Challenges!
New inventive challenges posted each week
482
Dino travel
Invent a mode of travel for a dinosaur!
Check out some other challenges
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470
Sun energy
Invent a new way to make energy from the sun
168
Space exercise
Invent a new way to exercise in space
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
300
Litter picker
Invent a fun way to collect litter on train platforms
347
Q and A
Invent something that can answer your questions