You'll love this bubble fidget. Just press the mouse bubbles down and they make a slight popping sound, then flip it over and start again. Pop It Fidget Sensory Toy can effectively relieve anxiety and stress. Push pop fidget toy is a great, unique, and novel gift for people with autism and stress, helping them relieve anxiety. Pop It Fidget toy is made of 100% silicone, is non-toxic, and has no odor. Completely corresponds to safety standards. Wash the Pop It Fidget toy with warm water and soap if needed. Child-friendly, parent-approved! Each shape is approximately 5".