Turn your room into a glow-in-the-dark planetarium that's out of this world! Hang the Sun and nine planets from the ceiling, turn off the lights, and watch your kids experience the mysteries of space. Features proportional Sun and planets that glow in the dark after exposure to light. Provides the perfect springboard for Earth and space science lessons, inquiry activities and class projects. Assembles easily for ceiling display with included hangers and 32 feet of clear plastic line. Includes 10 sturdy plastic pieces (Sun, 8 planets, dwarf planet Pluto) and up-to-date Activity Guide with solar system facts. Largest piece (Sun) measures 8 inches in diameter.