Hobby trains are miniature train models that enthusiasts collect and operate for leisure. These models can range from simple toy trains to highly detailed replicas of real-life locomotives and cars. Hobbyists often build elaborate layouts, complete with tracks, scenery, and buildings, to create a realistic environment for their trains. Many people enjoy hobby trains as a way to express creativity and engineering skills. There are various scales, such as HO scale and N scale, which determine the size of the models. Clubs and online communities also exist, allowing enthusiasts to share tips, showcase their layouts, and participate in events.