Mini Challenges!
New inventive challenges posted each week
436
Nature picture
Invent a camera to photograph nature
Check out some other challenges
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128
TV power
Invent a sustainable energy device to power a tv
549
Heat
Invent a device that generates heat
152
Hedgehog hotel
Design a hedgehog hotel, with all the comforts it needs
534
Reusable
Invent a reusable item
2
Secret door
Imagine a secret door in your home that leads to a magical place. Draw the door and the place