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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549
Heat
Invent a device that generates heat
167
Festive games
Invent your own festive game
89
I do like to be beside the sea!
Invent goggles that transform your bathtub into an ocean
500
Time travel
Invent a time-travelling machine
28
Flight of the bumblebee
Design flying machines inspired by birds and insects