933-2900 3 Stall Modern Roundhouse KitThe Walthers Cornerstone 3 Stall Modern Roundhouse will be a hallmark of later steam era railroading on your HO 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 for servicing diesels. 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