Train Tunnel Ho Scale-- Made of plastic material, safe use with a long service life. Model Train Tunnel-- Rockery tunnel model is scaled to fit the mini train tracks. Tunnel for Train Set ...

HO scale model trains are a significant part of model railroading history, and we can partially credit the overall popularity of model trains with the rise of a convenient, tabletop scale like HO.

HO and N scales are popular ... A common mistake in compact model train layouts is forgetting about vertical space. Adding elevated tracks, bridges, and tunnels can create the illusion of depth ...