Mini Challenges!
New inventive challenges posted each week
46
Hug yourself
Invent something to make yourself giggle
Check out some other challenges
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around
308
Calm and still
Invent something you can use when you need a moment of calm
103
Under pressure
Invent something that can reduce stress
549
Heat
Invent a device that generates heat