[VIBRANT COLORS] The blue sand is in a clear glass and can be used as a home office decoration. The clock hourglass can change your mood and ease the pressure of work a little. [HOURGLASS FOR KIDS] It includes an hourglass timer, which is very suitable for easily managing work times and rest, and makes goal setting enjoyable and calm. [SOLID HOURGLASS] Made of transparent acrylic + plastic + glass tube + sand, not easy to break. Using this hourglass can be more enjoyable and distracting than looking at your phone for the time, helping you stay focused and efficient for a long time. [EASY TO CARRY] It doesn't take too much space and can be used on the go. [WARMING TIPS] These hourglasses are not precise timing devices, and there may be a +10% time deviation. If children under 3 years old use the timers, please do so under adult supervision.(3 Minutes in Green)