Baoding iron balls / health balls / zen balls improve health and well-being. It helps to build up physical strength and may help remove disease. Allows for circulation of vital energy and blood in the body. Traditional beautiful solid steel Baoding Balls. A handy instrument for health care. Massager for pressing acupoints in your palms. A wooden box. Based on traditional Chinese acupressure therapy, magnetic field increases blood circulation and stimulates the nervous system.