Actively engage your students as you assess them by turning any lesson into a game. Four different colors and fun sounds add to the fun and excitement. Includes 12 buzzers. # Pieces In Set: 12 Number of Batteries: 2 Learning Skill: Shapes + Colors Power Source: Battery (not Included) Recommended Ages: 3 Years And Up Measurements: 8.5 Length/Inches, 7.2 Height/Inches, 8.5 Width/Inches Assembly: Assembled Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported