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.

Price: Single car, $54.95; three-pack, $164.85; and six-pack, $329.70 Manufacturer: Rapido Trains, 382 High St, Buffalo, NY 14204; 905-474-3314; rapidotrains.com Rapido Trains HO Enterprise covered ...