American Museum of Natural History Space Theater Planetarium from EDI. FEATURES: The most scientifically accurate star and constellation projection you'll ever see at home! Project stars on your ceiling like a real planetarium. Five constellation discs for winter, summer, spring, autumn and circumpolar (continually visible above the horizon). Master star projection disc. Instructional audio CD. Can be used with any 3V, 500 mAh AC adapter (not included). Includes one spare bulb. Adjustable time and date so you can see the exact constellations, stars and planets visible at any given time. Extremely detailed and informative "Star Explorer's Guide" instruction booklet. A portion of the proceeds from the purchase supports the educational programs and scientific research of the American Museum of Natural History. INCLUDES: One Space Theater Planitarium. REQUIRES: Assembly Two AA Alkaline Batteries Two C-Cell Alkaline Batteries Very Dark Room CD Player For Audio CD Adult Supervision