OLD-TIME BOBBER CABOOSE - WESTERN MARYLAND #1200 - N Scale. The Old-Time Bobber Caboose is any short four-wheel caboose that ran on a number of mainline and short line railroads in the late 1800's and early 1900's. Bachmann Old-Time Bobber Cabooses are the perfect addition to your old-time railroad layout and come in a variety of colors and road names. Each old-Time Bobber Caboose is fully assembled and features; Highly Detailed Painted Bodies with Precision Graphics (where applicable), Blackened Machined Metal Wheels with RP 25 Contours, Magnetically Operated E-Z Mate Couplers, Non-magnetic Blackened Brass Axles with Needle-point Bearings, Celcon Trucks, and Added Weight for Optimum Tracking Performance.