Mini Challenges!
New inventive challenges posted each week
548
Lucky
Invent a way to turn your luck around
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549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
41
Dressed for the stars
Invent a piece of clothing to wear on the moon
12
Sparkling smile
Draw an invention to brush your teeth without a toothbrush
491
Nature reserve
Draw a nature reserve