Mini Challenges!
New inventive challenges posted each week
303
Warm dog
Invent something to keep a dog warm
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2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
548
Lucky
Invent a way to turn your luck around
100
Leftovers
Invent a machine that recycles your leftover dinner
549
Heat
Invent a device that generates heat