Material: glass plastic sand Color: White Dimension: 3.7×1.6 inch Weight: 0.34kg High Quality: made of high quality material, durable and shock-resistance. Colored Sand: Each sand hourglass timer has own bright color and clear print on bottle. Time management: A best gifts to friends and family, a perfect gifts to teach kids for time management, passing friendship and happiness. Timing time: the hourglass has a timing time of 3 minutes. Warning: As the hourglass cannot the mechanical clock, the time deviation may be 10 ) INGREDIENTS bambooPremium MaterialSand timer is made of thick and durable glass, with colored and high borosilicate sand inside it, each size in 9.5 x 4cm 3.74 x 1.57in, Can be stably placed on horizontal surface, Shockproof and not easy to break and fall down. Widely UsesIdeal for kitchen cooking, home, classroom, game, office, study, exercising timer, widely applications. Also Used for 3 Mins Egg Timmer3 minutes is the perfect length of time for prdocuing the soft runny boiled egg. Children’s Toothbrush TimerAn interesting timmer to active kids brush teeth quickly and brushing 3 mins enough. Help your child make things more effective and strengthen time awareness. Beautiful AppearanceIt is designed in special white teeth appearance, you and your kids will like it with this amazing looking timmer.