I built this tiny bit of rolling stock from an all-metal kit from Wabash/Red Ball and then fitted it with link-and-pin couplers, since I used it only with our oldest locomotives. Its small size — this car is really tiny — makes it well suited to a railroad with tight curves. A black-and-white photograph of numbers 2 and 8, each loaded with rocks, appeared on the last page of "Make Mine and Old Timer" (1979 Railroad Modeler) [Click on images to enlarge them.]