This battery-operated unit illuminates the Sun to effectively demonstrate the relationship between the Earth, Sun, and Moon, showcasing daylight, night, seasons, and phases of the Moon. The gear-driven model allows the Sun, Earth, and Moon to revolve around each other, with the Earth and Moon depicted in true scale.
- Battery-operated model (requires 4 AA batteries, not included)
- Demonstrates the movement of the Earth, Sun, and Moon
- True scale representation of the Earth and Moon (1 inch = 2000 miles)
- If scaled, the Sun would be about 36 feet in diameter
- The arm measures 15in, the Sun is 6in in diameter, and Earth is 4in in diameter
- Ideal for teaching phases of the Moon and astronomical concepts
- Perfect for classroom or home educational use





