Scale and gauge: Choose a scale and gauge that suits your interests and available space. The most common scales are HO (1:87), N (1:160), and O (1:48). Gauge refers to the distance between the rails, with HO typically being 16.5mm and N being 9mm.
Scale and gauge: Choose a scale and gauge that suits your interests and available space. The most common scales are HO (1:87), N (1:160), and O (1:48). Gauge refers to the distance between the rails, with HO typically being 16.5mm and N being 9mm.