• This art asteroid supports both USB cable power supply and 4 AA batteries power supply.
• An excellent model displaying the planetary motion, leacing an impressive understanding about astrophysics.
• Accurate imitation makes children curious about new things to arouse strong interest, an ideal teaching tool.
• Also a decoration for various places, including home, office, classroom, library and so on.
• Adopting plastic and steel balls, the art asteroid toy is very durbals for long-term use.