Sand Timer Plastic Hourglass Sand Glass Toy Sand Clock(3 Min Approx 5 Pc)Sand Timer Plastic Hourglass, Sand Glass Toy Sand Clock for Kitchen, Office, School and Brushing Teeth for Bathroom Timer Clock Children Hourglass Sand glass Toothbrush Household Sand Clock (3 Min Approx 5 pc) Description : High Quality: Made of durable PVC material, high borosilicate glass, protective cover and sand, it is stronger and more durable than other hourglasses. Counting Time: 3 minutes, which are sufficient to meet needs of your daily