Check out our a large variety of pennsylvania streamlined passenger car train trains and accessories for the more mature train collectors as well for first time buyers.Before the very first purchase, the brand-new enthusiast has to settle on a scale. Every purchase made will be influenced by that choice since locomotives, wagons, tracks, and accessories need to be at the very same scale; otherwise, the train will not work or look right. Some railroad model lovers do gather multiple scales, but taking on an extra scale is basically like handling an additional pastime. The conventional and most popular model train scale is HO scale, which operates at an 87.1:1 ratio. Other popular choices consist of O-scale (48:1) and G-scale (22.5:1).