Unless you go the customized route for decals, you can purchase N scale decals to help decal your rolling stock, bridges, buildings, or locomotives. I usually find my N scale decals at train shows. There is always someone clearing out their N scale decals of what they have left or will never use.

 This is Micro trains Line SD40-2 Santa Fe model which I customized with working ditch lights.

Scratch building is defined in Wikipedia as “The process of building a scale model "from scratch", ie. from raw materials, rather than building it from [ ... ]

Micro-Trains Line Logging Camp Cars #3 Build

I built the Micro-Trains Line Dormitory Camp Cars Kit #2, now I am going to document the build [ ... ]