Vintage Pair Chinese Musical Stress Balls Inlaid Art Baoding Balls

Beautiful boading balls that I’ve had forever. They have a lovely chime when you roll them 🎶 Purpose of baoding balls is to improve focus, memory, and dexterity, and reduce stress. You use them by holding both balls in one hand and rotate them. The goal is to rotate them without the balls touching each other. Benefits are to promote blood circulation, stimulates acupuncture points in the hand.