Mini Challenges!
New inventive challenges posted each week
155
Collecting rain water
Design a raincoat made out of plastic bags that collects water to use
Check out some other challenges
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128
TV power
Invent a sustainable energy device to power a tv
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
321
Land and sea
Invent a vehicle that can travel over land and sea
550
E-waste
Invent something made from electrical items