Ages: 4+. Multiplayer: Up to six players. Kids' game: Get a lie detector game. Entertaining game: Place your finger on the sensor slot and be faced with a small shock should your heartbeat pick up, indicating your answer to a question is a lie. Exciting gift: A perfect gift that provides fun family-bonding! Battery: 3x AA batteries (not included). | Mini Electric Shock Lie Detector Game | Wowcher