Hourglass liquid bubbler will guide the colored water droplets to move downward in slow motion. Its descending lather has a soothing and mesmerizing effect that, great for people with autism and ADHD to elevate stressful periods.Watching the slowly rotating liquid timer sensory toy, relaxing visuals settle which can relieve your irritability and work pressure in your life.Simply flip the timer to restart the fun.14 x 3 x 13.5 cm, OK Shape Liquid Motion Timer, can be used at home, in the office or classroom, during therapy sessions, and more. The can also be utilized as prizes, activities, party gifts.The decompression timer toy is made of plastic, the liquid inside is made of a mixture of mineral oil and water, safe which will not harm your health.For children, This is a fun hourglass that can improve concentration; for adults, it is a tool to relieve stress and relax the mood, is a perfect gift for friends and family.