Mini Challenges!
New inventive challenges posted each week
11
Pet-ercise
Draw a machine to exercise a pet indoors
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531
Bike helmet
Invent a special bicycle helmet
549
Heat
Invent a device that generates heat
103
Under pressure
Invent something that can reduce stress
490
You've got mail!
Invent a new way to deliver mail
125
Table manners
Invent something that would be fun to use at the table when you eat your dinner