Mini Challenges!
New inventive challenges posted each week
293
House warming
Invent and draw an eco friendly way to warm your home
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28
Flight of the bumblebee
Design flying machines inspired by birds and insects
378
Independence day
Invent something that celebrates your independance
103
Under pressure
Invent something that can reduce stress
486
Dolphin speak
Invent a dolphin communicator
510
No hands
Invent a hands-free vehicle