ASTRONOMY PROJECTOR INCLUDES: Eight planets on moving, orbiting arms, Sun-shaped projector, 32 images on four projector discs, and guide with fun facts; requires three AA batteries (not included). 3D SOLAR SYSTEM MODEL FOR KIDS: This rotating solar system projector allows ages 5+ to discover the wonders of outer space, explore 3D planets up close and hands-on, and observe each planet’s orbit.