CARE OF THE COSMIC EXPLORER: 1. Remove batteries when not in use for extended periods. 2. Keep Star Ball clean and protected with quality anti-static plastic cleaner and polish. Never use substances with particles in suspension. 3. Replacement Bulb: PR 15 or Radio Shack Cat. No. 272-1125. 4. Power: 4 "AA" Alkaline Batteries, Radio Shack Cat. No. 23-552. (BR/EB 5/10/96)