Mini Challenges!
New inventive challenges posted each week
431
Rainy day
Invent something for a rainy day
Check out some other challenges
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549
Heat
Invent a device that generates heat
170
Memory lane
Invent a machine that will let you watch old memories back
535
Trophy
Design a Wimbledon trophy
20
Hide 'n Seek
Draw an invention to help the Easter Bunny hide its eggs
28
Flight of the bumblebee
Design flying machines inspired by birds and insects