Stress balls: Get a four-pack of fidget stress balls. Fidget toy: The squishy texture is great for stress relief or for using as a fidget toy. Sticky: The balls will stick when thrown against glass, wood and other flat surfaces for endless fun! Colours: Colours are randomly selected. Glow in the dark: Turn the lights off and watch the balls glow in the dark! Material: Made from TPR and wrapped in soft silicone, the balls are safe and entertaining for indoor and outdoor use. 4-Pack Glowing Fidget Stress Balls | Living Social