Beautiful baoding balls made by hand using cloisonne art. Traditional chiming stress balls. Comes in a medium size for small to average hands and large size for larger hands or more skilled users. A non-strenuous exercise you can do in any place, time, or occasion. Great for all ages. Convenient to use with the display stand. Keep your hands, fingers, wrist, and arm healthy. Recommended by hand therapists, using baoding balls can strengthen your hands and keep them flexible to manage various hand conditions. Improve circulation and concentration. Fine motor movement exercises the brain keeping it sharp. In Chinese medicine, the hand is a central connection point of the meridians. The exercises clear the meridians allowing chi to flow freely easing the spirit. Skulls have many meanings such as danger, death, and mortality. Humans have been fascinated with the human skull for as long as we existed. It can strike fear and warn of destruction like when the pirates flew the skull on their flags. To some, the skull is cool, badass, and a rebel symbol. During Halloween, the whole country will use skulls in their decorations and activities. There's no one reason to like skulls, but if you do like skulls, the skull baoding balls are certainly a unique eye catching set!