Product Description: This solar system planet model features autonomous dynamic rotation, showcasing the solar system in motion for a clearer understanding. Features: - Designed in a steampunk style - Represents the correct relative orbital speeds of the planets - Provides a clearer understanding of the solar system - Makes children more interested in astronomy Specification: Item Type: Electric Solar System Model Color: Gold Size: Height: Approx. 150 mm/5.9 in Width: Approx. 120 mm/4.7 in Weight: 390 g Power Source: 3*5 battery (battery not included) Package List: 1*Solar System Planet Model (batteries not included) Note: 1. Please allow 0-1 cm error due to manual measurement. Make sure you don't mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!