Mini Challenges!
New inventive challenges posted each week
513
Handy
Invent something hand-sized
Check out some other challenges
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421
Bake!
Invent a baking machine
99
Eco trip
Invent a new way to travel that is good for the environment
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around
413
Sibling love
Invent something to annoy your little brother or sister