The Names of Planets Etched in the Solar System are Clear So That They can be Recognized Easily Used as Teaching Aid Well 3D Laser Carving: Planets of the Solar System Carved with the Advanced 3D Laser Cutting Technology are Clear Distinct and Stereoscopic. Their Size Meet the Volume Ratios of Real Planets and the Colors will not Fade Manufacturered by Erwei. 6 Light Up Orbital Modes: Equipped with an LED Lamp Holder Allowing the Crystal Ball to Present Various Colors Powered by AAA Batteries or USB Cable line Multi Use: Gift Kit for Kids Teens Adults Students Teachers Astronomy Enthusiasts Universe Lovers Friend Birthday. Elegant Decoration for Your Office Living Room or Bedroom. Quality Materials: Made with High-end K9 Crystal Making the Ball More Transparent and Glossier.