How to Make a Stress Ball: 10 Steps (with Pictures) - wikiHow
Buy Or DIY: How To Make A Squishy Stress Ball | DealTown, US Patch
DIY Super Cool Squishy Stress Ball! How to Make The Coolest Stress Ball! - YouTube
Amazon.com : Pure Origins | Motivational Stress Balls | Gift 6 Pack | Fidget Accessory for Stress Relief, Special Needs, Concentration, Anxiety, Motivation, ADHD, ADD, Autism and Team Building (Mint) : Office Products