G scale is the largest of all model railway scales, making it perfect for outdoor layouts. Its robust construction and reliable operation makes it a great choice for model railway enthusiasts. G scale trains can run on track as wide as 45mm, and the scale size is 1:22.5. G scale trains are available in both electric and non-electric varieties, so there is something to suit everyone's needs. With G scale, you can create a realistic model railway that is sure to be the envy of your neighbourhood.