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

In this activity, learners build an old-fashioned paddle boat out of simple materials.

In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.