The model can simulate the state of the sun, the moon, and the earth in space and show the movement trajectory. Through vivid presentation, the scientific principle of its generation is more clearly. Learning scientific knowledge in games is very suitable for children's early education toys and cultivates children's scientific literacy. Features - Color: Black - Material: Plastic - Size: About 41.50 x 28.00 cm / 16.31 x 11.00 inches - Moon Earth : Including sun, moon, earth, operating handle, four indicating arrows, four seasons disc, moon phase disc, etc. - Teaching model: The instrument model can vividly simulate and display the relative motion trajectory between the sun, the earth, and the moon. - Explanation principles: Through showing of the Earth and the Moon, various scientific principles can be more clearly. - Classroom prop: Simulate the of the planet through operating the model, attract students' attention and make the class interesting. - Early education toy: As early education toys, cultivate children's scientific literacy, and encourage them to explore astronomical knowledge. Package list: 1 x Sun Earth Moon Orbital Model