Start here · Essential guide
Model Train Scale Sizes Explained
A plain-English guide to model train scale sizes from Z to G: ratios, track gauges, how scale differs from gauge, and how to pick one for your space.
Model Railroading Basics
Model Train Scales & Types
4 guides, starting with Model Train Scale Sizes Explained.
Model Train Types and Brands
Learn the main model train types by size, power, and prototype, how toy trains differ from scale models, and which brands hobbyists commonly choose.
The History of HO Scale Model Trains and How It Took Over
Trace the history of HO scale model trains from 1930s Europe through postwar plastics, brass, Tyco and DCC, plus tips on dating and valuing old HO trains.
The Largest Model Train Gauge
What is the largest model train gauge? Compare Gauge 1, G scale, Gauge 3 and ridable miniature railways, plus why large-scale trains cost more.
Related topics
More in model railroading basics
Getting Started Model Railroading 4 guides, starting with How to Build a Model Railroad: A Beginner’s Guide. Layout Design & Track Plans 5 guides, starting with Model Train Layouts: Types and How to Plan One. Small & Scale Specific Layouts 4 guides, starting with Small Model Train Layout Plans for Tight Spaces.