Abstract: This disclosure provides a kendama not only replacing only a kensaki if the kensaki is worn, but also adjusting a balance of weight and others of a sword and developing a novel technique largely different from existing techniques. A kendama includes a sword having a sword shaft and a cross-piece; a ball having a hole of inserting a kensaki protruding to an upper side than the cross-piece in the sword shaft; and a string connecting the sword and the ball. A tip portion of the kensaki is configured as an attachable and detachable member which is attachable and detachable with respect detachable members replaced each other.