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SI Manufacturing Sand Timers
Perfect for use in games!
Manufacturer: SI Manufacturing 16504*
- Virtually indestructible, with molded end caps and thick wall surrounds for accurate event timing and experiments
- Each timer is color coded for easy identification
- 1-, 3- and 5-minute timers available
- Meausres: 6.3 × 2.75 in. (16 x 7cm)
- Grades K+
|For use in games, accurate event timing and experiments|