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A simple model that illustrates the complex relationships of the sun, earth, and moon!
This hands-on model shows relationships between Earth, the moon, and the sun
and demonstrates day and night, phases of the moon, eclipses, and the seasons. Manually move the moon and watch as Earth rotates. Gear-driven arm is 15" long; 7W bulb is mounted on a shaft inside the sun. Includes lesson plan. 110V AC.
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