SuLiao Hourglass Sand Clock Timers: 60 Minute Hour Glass Timer,Sand Watch for Kids Teachers Classroom Games

SuLiao Hourglass Sand Clock Timers: 60 Minute Hour Glass Timer,Sand Watch for Kids Teachers Classroom Games

Safety Hourglass Timer: The large hour glasses with sand 60 minutes made by friendly high borosilicate glass and acrylic material, 100% hand-blown made clear glass. And each one has a number of time mark. easy to distinguish which timer for which usage Non-breakable Design: The outer layer is made of hard acrylic material and the inner one is made of glass，which is protected by double layer. Besides, the silver textured top caps are firm & durable, so it will not easily cut your children's hands Best Time Management Tool: The hourglass timer 60 minutes help your kids do things more efficiently and develop a strong sense of time. The 60 minute hourglass sand timer can be used for cooking, games, classroom, study, desk office decoration or teachers use Notice: This hourglass sand timer is mainly made for games, which is not a precision timing device, so there is time deviation. But SuLiao one hour sand timer has achieved the highest quality ±5% industry standard in the USA Guarantee: Our kids hourglass timer sand clocks 100% has been strictly tested by the factory. If you are not completely satisfied with it, pls CONTACT US BEFORE REVIEW and we'll sort it out for you！