describe: Fascinating effect: The falling foam has a soothing and charming effect, which can keep children playing for hours. Gravity will guide the colored water droplets to move down in slow motion. The perfect toy: This liquid timer is the perfect irritable toy, table toy, or even class reward. Visual enjoyment: Sand replaces oil and water flows slowly, which is a different visual enjoyment. You can enjoy good times and good memories. This mini sports timer can create attractive visual effects for all office or home desktop computers. Just turn the device over and watch the colored oil drip from top to bottom. Time Assistant: Help you effectively manage your time and achieve your goals on time. At the same time, this liquid sports timer can help children focus when watching colorful bubbles bounce to the bottom. Material: plastic, acrylic Color as shown Size: 9cm X 3cm X 14cm / 3.54" X 1.18" X 5.51" (approximately) Package includes: 1pc X oil hourglass