About this item BEAUTIFUL TO LOOK AT: The 3-in-1 hourglass is made of wood, glass, and sand in blue, pink, and yellow, and can be used as a decoration for your home office. Watching it can change your mood and relieve work stress to some extent. TIME TIMER: You can set 1, 3, and 5 minutes simultaneously; the timer is not a mechanical clock, please allow for a ±10% deviation. Perfect for time-counting games, adding more fun and creating a game atmosphere. MULTIFUNCTIONAL: The best time manager, it helps your child become more productive in their studies and develop a sense of time. The clock can be used for brushing teeth, cooking, playing games, in the classroom, parent-child training. EASY TO CARRY: The hourglass is 9*9.5*3CM, it doesn't take up much space and can be carried anywhere. Both sides are clearly engraved with time, easy to distinguish; it can be used as a decoration and timing tool for home or office, a great gift for children and friends. REMINDER: The clock is not a precision clock, please allow for a ±10% error; sometimes sand sticking to the glass is normal. You can solve this by spinning the pot with your finger or placing it in the sun for a while.