Mini Challenges!
New inventive challenges posted each week
481
Calendar
Invent a feel-good calendar
Check out some other challenges
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548
Lucky
Invent a way to turn your luck around
525
Natures home
Design a house grown from nature
549
Heat
Invent a device that generates heat
75
Musical chairs and things
Design an object in your home that can also make music while you use it.
302
Bring friends together
Invent a device that brings friends together