30/60 Minute White Square Frame Black Sand Hourglass - Perfect for Board Games, Classroom, and Office Time Management

Product Description

Hourglass symbol of love, friendship and happiness, in the passage of time, things in the change. A creative Home Decoration, office Decoration Both modern and practical, each hourglass filled with colored sand Hourglass, also known as an sand clock, a means for measuring time. Hourglass with the sand in a run time. Once all the sand has been run in the end portion, the device can be inverted in order to measure the time again. Notice If the hourglass does not work well or does not flow, you can slightly shake it a few times! After the shaking, it will work better!