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Night Lights
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In this activity, learners create night lights using a plastic cup, programmable PICO Cricket, tri-color LED, and sensor.
Cup Draw (Low Tech)
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In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.
Magic Lanterns
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A magic lantern is a light that projects an image onto a screen.
Jitterbugs
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In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.