Mini Challenges!
New inventive challenges posted each week
128
TV power
Invent a sustainable energy device to power a tv
Check out some other challenges
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274
Butterfly counting
Draw an invention that will help us to count butterflies
549
Heat
Invent a device that generates heat
237
Green turtle eggs
Invent a device to help keep a green turtles egg cool
381
Unmeltable!
Design a snack that never melts in the heat
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place