BEAUTIFUL APPEARANCEThe 3-in-1 hourglass is made of wood, glass and sand, black, white and gray in three sand colors, which can be used as home office decoration. Watching it can change your mood and relieve work stress to a certain extent. TIME MEASUREMENT1, 3 and 5 minutes can be counted at the same time Since the timer is not a mechanical watch, allow please allow a time deviation of 10%. Ideal for counting time games to add more fun and gaming atmosphere. MULTIFUNCTIONALIt is the best time manager, it can help your children improve learning efficiency and develop time awareness. The clock can be used for brushing teeth, cooking, playing, classroom, training for children. Can help children do things more efficiently. EASY TO CARRYThe size of the hourglass timer is 9*9.5*3cm, does not take up space and can be carried when going out. The time is clearly engraved on both sides, which is easy to distinguish. It can be used as a decoration and timing tool for home or office. WARM TIPSIt is normal that sand sometimes sticks to the glass, so we recommend storing the hourglass in a dry environment. If sand sticks to it, you can remedy the situation by moving the glass with your fingers or leaving it in the sun for a while.