Orrery Motorized Solar System Simulator
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Product Details
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. 25" L x 13-1/2" W x 13-1/2" D. Grades 3-12.
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