Mini Challenges!
New inventive challenges posted each week
515
Colour sorter
Invent a colour sorting machine
Check out some other challenges
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160
Ear muffs
Design ear muffs with a special extra function
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
499
Two minds
Invent a way to connect two minds
272
Flood help
Draw an invention that will help stop someone’s house from getting flooded
299
Leaf it out
Invent a way to keep leaves off the train tracks