Celestial Simulators, astronomy models, space exploration, space science kits, solar system science, and so much more. The moon revolves around the Earth and both revolve around the Sun, just like they are supposed to. This manually operated, gear-driven model effectively demonstrates daylight, night, seasons and phases of the Moon. Includes study guide. Calendar at base allows positioing of planets according to date and show relative position between indivdiual planets and the sun.
Lesson plan facilitates explanation of orbit and speed.
Designed for both individual and small group use, it lets you plot planet positions, moon phases and eclipses. Provides hours of educational entertainment.