4 BREATHING BALLS FOR ADULTS & KIDS - Colors may vary. Relax and calm your mind & body with this breathing ball techniques that is designed to bring the body into a state of deep relaxation HOW IT WORKS - Expands from 5.5" to 12" Hold in front of your belly, take deep breath in while Expanding the ball, exhale slowly while contracting the sphere. EXPANDABLE BALL FOR KIDS - Can be used for Kids & Adults with Anxiety, stress relief toys for calming center for classroom, Kinetic calming fidget toys, ADHD tools, anxiety toys, mindful breathing exercise gadgets, yoga accessory for relaxation. Autism Toys, office desk fidget for adult, anger management stuff CALMING TOY - A must have for calm down corner in the classroom, to teach young kids about dealing with difficult emotions, the breathing ball is a cool social emotional learning activity on how to breathe correctly so children can remain relaxed and focused.