Schylling | Teenie | Nee Doh | Stress Ball - Retro Force Toy Store
JDS Toy Store 12 Piece Solar System Stress Balls, Stress Balls with Mesh... | eBay
Amazon.com: 24Pack-Stress Balls Set,Mini Stress Balls Fidget Toys for Kids and Adults,Squishy Fidget Balls Filled with Water Beads to Relax and Focus, Stress and Anxiety Relief Squeeze Toys for Autism & ADD/ADHD :