Z Scale is a model railway scale that represents a ratio of 1:220, meaning that 1 unit on the model equals 220 units in real life. This scale is one of the smallest commercially available, allowing for intricate layouts in limited spaces. Due to its compact size, Z Scale trains and accessories are popular among hobbyists who want to create detailed scenes without requiring a large area. Despite their small size, these models often feature fine details and realistic designs, making them appealing to collectors and enthusiasts alike.