Model railroading is a hobby that involves creating miniature train layouts, often featuring realistic landscapes, buildings, and scenery. Enthusiasts build and operate model trains on tracks, which can be set up indoors or outdoors. The scale of the models can vary, with popular sizes including HO scale and N scale. Many model railroaders enjoy the artistic and engineering aspects of the hobby, designing intricate scenes and ensuring smooth train operations. Some participate in clubs or attend exhibitions to share their creations and learn from others. The hobby can be both relaxing and challenging, appealing to a wide range of ages.