Comsmart Sand Timer, 6 Colors Hourglass Sandglass Sand Clock Timer 1min / 3mins / 5mins / 10mins / 15mins / 30mins for Classroom Game Home Office Decoration (6pcs)

Description:
A set of 6pcs hourglass sand clock timers in different colors, which includes 1min / 3mins / 5mins / 10mins / 15mins / 30mins sandglass. It is made of durable PVC, and high borosilicate glass. Very durable and shock-resistance. They are perfect for timing cooking, games,exercising, experimentalize,decoration and so on. can teach your kids about the time meaning with this vi...