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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.

In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors.

In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.

In this activity, learners string a line across the room and build cable cars that can move from on end to the other.

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