Set of durable 1 minute, 2 minute, and 3 minute timers. Use to time all classroom activities and games. Add deadlines to repetitive activities. Great for any classroom. Helps add deadlines to repetitive activities. Great for timing all classroom activities and games. Warning choking hazard: Small parts, not for children under 3 years. Each individual set contains 3 Timers, Bundle of 4 sets, 12 Timers total.