Description This sand timeris made of premium material, which can withstand long-lasting use. Features the wood, glassandsand material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:As Shown-Material:Wood, glass, sand-Size:10.00X6.00X6.00cm/3.93X2.36X2.36in- Contains three time periods, blue for 3 minutes, green for 5 minutes, and yellow for 7 minutes.- The hourglass is very colorful and attractive for kids, the hourglass is made of wood, sand and glass, the thicker glass feels durable.- Hourglasses are big enough to hold in your hand and see how they work, they are very stable on a flat surface.- Unlike traditional timers, hourglasses don't make noise or "tick," making them a great choice for homes that need quiet and limited sensory stimulation.- Available in 3 time denominations, the hourglass has multiple uses: wash your hands, brush your teeth, count down a brief moment of screen time, how long until school and more. The time is divided into 3 minutes, 5 minutes, and 7 minutes.Packing list: 1 x sand timer