Mini Challenges!
New inventive challenges posted each week
549
Heat
Invent a device that generates heat
Check out some other challenges
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67
Waste not
Invent a way to help people waste less food.
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
84
Feeling hot hot hot!
Invent a way to generate heat that uses less energy
461
Cartoon character
Invent your own cartoon character
20
Hide 'n Seek
Draw an invention to help the Easter Bunny hide its eggs