This liquid motion bubbler is the perfect way to stimulate your visual senses when in need of a relaxing down time. Inside of each bubbler has a wide area that allows the liquid inside to bounce off each step for a more stimulating visual. This slow and soothing motion brings about a sense of Calmness and Relaxation for its observers for both Adults and Children. Made from Hard Sturdy Plastic through Injection Moulding, with Toxic-Free Mineral Oil and Water, providing a great way to take your mind off whatever may be causing you Stress! Suitable For Special Needs, AUTISM, ADHD Sensory Toys! Non-Toxic Materials! These liquid motion bubbler are hugely popular amongst Parents, Practitioners and Teachers who are faced with the challenges of supporting children with Hyperactivity and Relaxation needs! Proven to work, you must get your hands on one of these! A Perfect Gift for Children, Teachers and Employees on All-Occasions! Entertaining for hours on end: This liquid timer makes the perfect fidget toys, stress relief, office desk toys and even as classroom rewards. Like a stress ball used for hands, these are perfect as fidget toy that pleases the eye and eases for comfort. Gift Ready: Each timer comes in its own individual box.This makes it an easy "gift-ready" toy.