Planets Mobile - Hanging Solar System Mobile, Authentic Models Perfect for Kids: Solar system mobile is perfect to hang in a child's room that fascinates the young in age and youthful in heart. Material: Planets mobile for kids is made of plastic, paper gores and wire/string. The thin framework of Authentic Models support planets almost invisibly. Educational: This Perfect comprehensible human scale is both a scientific and decorative model of our planetary system. Turn your room into a planetarium with this educational mobile; hanging solar system. The Beautiful 3D mobile planets challenge a child's mind about the size and scope of the universe while they gaze at it. Dimensions: 20.1" W x 53.1" D x 17.7" H Includes: Full assembly instructions.