Mini Challenges!
New inventive challenges posted each week
237
Green turtle eggs
Invent a device to help keep a green turtles egg cool
Check out some other challenges
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518
Job done
Invent something that gets a job done
549
Heat
Invent a device that generates heat
529
Umbrella
Invent a special umbrella
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