Mini Challenges!
New inventive challenges posted each week
470
Sun energy
Invent a new way to make energy from the sun
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168
Space exercise
Invent a new way to exercise in space
549
Heat
Invent a device that generates heat
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place
272
Flood help
Draw an invention that will help stop someone’s house from getting flooded