Description: Highly imitating the sense of weightlessness in space, the astronaut floats freely on the water surface, as if soaring in the sky, taking you into the mysterious space. Gravity will guide the colored droplets travel down at slow motion pace. It can help improve children's visual tracking skills. Simply flip it over and it will start all over again and again! Quiet and fun, relieve your stress and provide you with hours of calming entertainment. This hourglass is very suitable for games, tooth brushing time and children's learning time. It can improve children's time management skills and help them do things more effectively. Made of acrylic material, the confetti in the liquid flashes with the flow of the liquid, creating a romantic, beautiful and dynamic picture. Specification: Material: Acrylic Size Chart: Size(LxWxH): 4.5x4.5x17.7cm/1.77x1.77x6.96inches Package Includes: 1 Piece Liquid Hourglass Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.