Mini Challenges!
New inventive challenges posted each week
120
Burger break
Invent a machine that makes your favourite food in seconds
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
428
Bathroom jungle
Draw a jungle in your bathroom
549
Heat
Invent a device that generates heat
548
Lucky
Invent a way to turn your luck around
165
Roast dinner
Invent a machine that recycles your left over roast dinner