Orrery Solar System Simulator

See the solar system in action! You will be able to show the relative orbit speeds of each planet and the relative position between individual planets and the sun.

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. Exceptionally quiet running and includes a lesson plan on orbit and speed.

Complete with Teacher's Guide.