Mini Challenges!
New inventive challenges posted each week
505
Wind
Invent something that uses wind
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
549
Heat
Invent a device that generates heat
531
Bike helmet
Invent a special bicycle helmet
136
Cabinet bed
Invent a piece of furniture that has two different uses
1
Keep your distance
Draw an invention to keep people two metres apart