This is a "Doubutsu Bus" (animal bus) tinplate inertia toy from the mid-to-late Showa era (approximately 1970s-1980s) in Japan, a classic representative of Japanese retro toys. Key Information: Origin: Made in Japan Material: The main body is made of printed tinplate, with plastic wheels, rubber tires, and a plastic/metal chassis. Playing: It's a friction (inertia/pullback) driven toy; pulling it backward and releasing it propels it forward automatically. It was a very popular toy type among children at the time. Design Highlights: The bus body features cartoon images of an elephant driver and various animal passengers, paired with a bright green paint job, exuding the childlike charm of the Showa era. In short, it's a retro-fun Japanese tinplate bus toy, and a collectible item for many retro toy enthusiasts.