Mini Challenges!
New inventive challenges posted each week
513
Handy
Invent something hand-sized
Check out some other challenges
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551
Ghost
Draw an invention for a ghost
506
Wish
Make a wishing invention
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
452
Beat the cold
Invent something to help you avoid catching a cold
275
Waist belt invention
Draw an invention that you can wear around your waist or on a belt