The Walthers Cornerstone 3-Stall Modern Roundhouse will be a hallmark of later steam-era railroading on your layout. If you model the diesel era you′ll also find this kit to be a centerpiece of your servicing facility since some of these classics are still used today. No matter the weather, workers could easily inspect and service locos under cover. Size was based on the number of engines coming and going in any 24-hour period, with the busiest terminals requiring full-circle roundhouses. This detailed 3-Stall Modern Roundhouse model includes three stalls on 10-degree centers to make the most of your available space like the prototype. And with a modular design, you can add as many stalls as your railroad requires using the Modern Roundhouse Add-On Stalls (933-3261, sold separately). For more realism, interior and exterior brick wall details, fine windows, floor inspection pits and much more are all standard. To make adding realistic trim to your roundhouse, wall cap tiles and pilaster caps are molded in a realistic contrasting color. Locos up to 125 scale feet long fit easily inside the 3-Stall Modern Roundhouse. Authentic North American prototype Holds engines up to 125 scale feet long Modular design - easily expanded to a full circle Compact 10-degree stall spacing Interior and exterior brick detail Fine window details Floor inspection pits Decal signs included Check out the variety of Cornerstone N Scale railroad and maintenance structures. See the Roundhouse Add-On Stalls Kit here. Read a review of our N Scale Modern 130′ Turntable and Roundhouse in N Scale Railroading Magazine here! (Article courtesy of N Scale Railroading Magazine) For more information on N Scale Railroading Magazine, click here .