KSCIORBB Klinger Scientific Orbiter BatteryKlinger Scientific Orbiter Battery Made of superior quality polymers Sturdy structure and good stability. A smooth Gear driven model. Manually movable moon. Shadow hemisphere to represent night. Includes a detailed instruction manual. How many days does it take the Earth to revolve around the Sun? The answer to this question and more are answered when using this gear driven model representing the Sun, Moon and Earth and their relationships. Daylight,
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product description
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Klinger Scientific Orbiter Battery
Made of superior quality polymers
Sturdy structure and good stability.
A smooth Gear-driven model.
Manually movable moon.
Shadow hemisphere to represent night.
Includes a detailed instruction manual. How many days does it take the Earth to revolve around the Sun? The answer to this question and more are answered when using this gear-driven model representing the Sun, Moon and Earth and their relationships. Daylight, night, seasons, and phases of the Moon are all effectively demonstrated. Arm is 15″ long; Sun is 6″ in diameter; Earth is 4″ in diameter; moon is 1″ in diameter.