Challenge students with over 10,000 geography and world culture questions. Allows you to differentiate instruction by programming at each player's level, from beginner to advanced Features 3 quiz categories: the U.S.A. and Canada, World, and World plus U.S.A. and Canada. Includes standard headphone jack, high-quality digital sound, international music, adjustable volume, help and repeat buttons, and automatic scoring. Measures 12-inches in diameter. For 1-4 players. Requires 4 C batteries or AC Adapter, not included.