ALMAH Stress Balls for Adults (4 Pack), Hand Exercise Balls, Hand Therapy Balls for Relax, Anxiety, Fidget, Tension and Stress... : Amazon.co.uk: Sports & Outdoors
Lumarice Stress Balls (5 Pack) for Kids and Adults - Stress Relief Balls with Motivational Quetos - Hand Exercise Balls to Relieve Anxiety and Stress : Amazon.co.uk: Sports & Outdoors