Trainz.com is a website dedicated to collectible model trains for hobbyists. The site offers a wide range of model trains, parts, and train sets from various brands and scales. Users can shop by brand, road name, category, or gauge. The website also features videos, articles, and a rewards program for its customers. Additionally, Trainz.com provides services to sell train collections, offering options such as cash offers or auction services. The site is known for its extensive selection and commitment to customer satisfaction.