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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters.

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

In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.