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Learn more about the revolution of the earth around the sun with this orbiter. The Sun Earth and Moon revolve around one another automatically when you turn this gear-driven model. Effectively demonstrates daylight night seasons and phases of the Moon. Choose from the Standard model or the Illuminated model which projects light onto the earth from the sun. Arm is 15; Sun is 6" in diameter. Includes study guide. This unit is durable and designed for years of classroom use."
Item #: AEP005 | 
