Unique Decompression Sounds: The stress ball produces satisfying pops to soothe your ears, while the soft silicone texture of each pop has a pampering effect on your fingertips, helping you relax and release stress and anxiety. Stress balls for kids and adults: release stress, anxiety, anger or use as a calming toy to help focus; Crush, crush and squeeze these sensory balls. Sensory Calming Toys for Kids: Each of these kids stress balls can be an effective toy to help kids relax and focus. These fun sensory balls are safe and non-toxic tactile toys for ages 3 and up. Due to the light and light problem, the product has color difference, please forgive me. Product diameter: 6.2cm.