Mini Challenges!
New inventive challenges posted each week
490
You've got mail!
Invent a new way to deliver mail
Check out some other challenges
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548
Lucky
Invent a way to turn your luck around
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
304
Birthday bash
Invent something to help you throw the best birthday party ever!
190
Memory game
Create a memory challenge for your grown-ups or friends
94
All the world's a stage
Design your own theatre or stage to perform on