features- Stress relief toys are not only suitable for children, but also for adults, especially for people with autism or high anxiety.- These stress relief toys promote a sense of calm, relieve stress, and help improve focus and concentration.- These balls are great for relieving negative emotions and releasing tense fingers. The sphere is lightweight so you can use it at home, at work, or on the go.-These stress relief balls can promote blood circulation, stimulate the nerves in the hands, and strengthen the wrist and hand muscles.- These stress relief balls are 4cm in diameter and have random facial expressions like angry, happy, wild and smiling.how to use1. Scroll back and forth2. Press palm3. Press with fingertips4. Grip with your fingers.5. Blast and hold tight6. Hold for a few seconds, then release, repeat several times.SpecificationColor: yellowSize: Approx. 6.3cmMaterial: PUQuantity: 12 piecespackage includes12 x Stress Balls.PrecautionsThese items are not edible, please remind children and keep them out of the reach of babies.