Orrery Motorized Solar System Model

By Olympia Sports

$395.60

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Orrery Motorized Solar System Simulator. Internally gear-driven motor revolves planets around the sun in their relative orbits. Users can manually adjust planets according to the planet position table with the 360_ scale on the base. Model is exceptionally quiet and includes a comprehensive lesson plan to facilitate explanation of orbit and speed. .Includes Teacher?s Guide.

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