Mini Challenges!
New inventive challenges posted each week
531
Bike helmet
Invent a special bicycle helmet
Check out some other challenges
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525
Natures home
Design a house grown from nature
168
Space exercise
Invent a new way to exercise in space
412
Planet
Design your own planet
103
Under pressure
Invent something that can reduce stress
244
Earth Day
Draw a poster explaining all the ways you think we can help protect the earth