Mini Challenges!
New inventive challenges posted each week
549
Heat
Invent a device that generates heat
Check out some other challenges
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396
Protect animals
Invent something for animal conservation
549
Heat
Invent a device that generates heat
295
Party entrance
Invent a funny way to say hello to guests arriving at a party
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
298
Wake up!
Invent a funny way to wake guests up in the morning