Mini Challenges!
New inventive challenges posted each week
510
No hands
Invent a hands-free vehicle
Check out some other challenges
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131
Relaxation room
Design a small space where you can relax
28
Flight of the bumblebee
Design flying machines inspired by birds and insects
398
Monarch butterfly
Invent a home for monarch butterflies
469
Smallest pony
Invent something for the worlds smallest pony!
490
You've got mail!
Invent a new way to deliver mail