Who Needs Them? Kids,students,office workers,elderly,designers,thinkers. Stress Relief Toy:It is very needed for children with learning pressure,or adults who are under pressure at work,or designers and thinkers who often think.It can be taken out at any time,press two buttons,comfortable operation,promote tactile stimulation,help you quickly restore calm and focus,and the best pressure relief toy. Young or old, this unique little keychain provides endless hours of fidget fun! The frame is made of strong, high-quality plastic - ideal for rattling around in your pocket or purse - and the two colorful buttons are made of 100% silicone. One touch and your fingers can't stop pushing, poking, and popping! Material：Silicone Features: * Ever catch your children, or maybe even yourself, popping the bubble wrap right of the box of a package? Then you'll love this bubble fidget. * Use press the mouse bubbles down and they make a slight popping sound; then flip it over and start again! Endlessly reusable and washable, too. * Non-toxic, tasteless,will not cause any harm to humans and pets. * Bright colors are sure to please any child! * Ideal gift for your friend. * Silicone material waterproof 1 soft/ easy to carry * Using food-grade silicone, quality is more guaranteed * Squishy, silicone bubbles captivate the fingers in a way that's impossible to put down while simultaneously opening a new avenue for learning. * Rehabilitation Toys:For the elderly,it can exercise fingers and pass the time.It can be done anywhere. * Best Gift:Anti-anxiety tools sensory fidget toy set stress relief hand toys for children and adults,can relieve stress, release anxiety,the best gift for people suffering from ADHD, obsessive-compulsive disorder,autism,anxiety,etc.