6" long tin litho toy with built-in key comes in box with nicely illustrated paper label on lid. 1950s Japan. Box is Exc. Toy consists of two-wheeled platforms connected by flexible metal spring. Toy works and moves side to side as it bows in the center so the roosters appear to be pecking each other. Body of white rooster has scattered pinpoint paint nicks as produced. Glossy and Exc. Unusual wind-up.