Plastic, safe, 1 minute timers. Set of 20. Single height: Approximately 8.6 cm
Multipurpose : You can use "Sand Timers" in various situations. Great to use in the kitchen, while playing games, while exercising, brushing teeth or work with children of any age.
School : Every teacher knows that Sand Timers are a great tool for every classroom. Try to focus one minute on something and learn to improve.
Material : Our sturdy and durably sand timers are made of durably PVC, instead of cheap plastic,not easy to break.
Customer notice : Each sand timer is not a timing device; please allow time deviations. We want all of our customers to be 100% happy and we take great pride in our customer service.
