- Order number: 16517
Durable sand timers with molded end caps, thick wall surrounds, and glass centres. For easy identification each timer is color-coded. Perfect for use in games, accurate event timing and experiments. 6.3" x 2.75". Includes 30s, 1m, 2m, 3m, 5m, 10m and 15m timers. Grades K +.