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In this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.

Hooray! In this design challenge activity, learners invent a device that launches a spoonful of confetti into the air. Learners are encouraged to create the biggest cloud of confetti possible.

In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.