Patent 6899589 was granted and assigned to LG on May, 2005 by the United States Patent and Trademark Office.
A toy animal mounted on 4 spring legs to permit movement of the animal in response to the rotation of an eccentrically mounted weight. This weight is mounted in the front body portion about a shaft disposed transverse to the body portion. The shaft is driven by a reversible motor, the speed and direction of which is controlled by a program controller.