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Electric Paddle Boat
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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.
Speedboat
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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.
Cable Car
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.
Motorized Car
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In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.