DescriptionChinese health balls are known to improve joints, blood circulation,sleep patterns and memory. It is a kind of portable health care device. It is not as easy as it might seem,yet wonderful stress relief after busy day. It can be part of your meditational therapy.Features- Material: Rosewood.- This product is known to improve joints,blood circulation,sleep patterns and memory.- You can play with them when you feel bored. They can help you kill time.- Portable size and easy to carry out.A healthy, perfect gift for elder people.- Making the fingers, hands stretch flexible, promote hand muscle movement.- When you the handballs in the palm, they will massage the fingers and hands.