Selb roundhouse locomotive shed building kit. This is a 4-stall locomotive shed that can be built to mirror each other. The track center spacing goes with the 66570 turntable (15 degree spacing).This shed goes for locomotives up to 130 mm / 5-1/8 in length over the couplers (with the stall door closed). Also included is the Selb City signal tower as a building kit.These kits are made of colored architectural-quality cardstock, laser cut. They feature the finest laser cut details. Complete instructions for building the kits are included.Rectangular dimensions (L x W x H) for the locomotive shed: 325 mm / 12-13/16 x 161 mm / 6-3/8 x 75 mm / 2-15/16.Signal tower dimensions (L x B x H): 40 mm / 1-9/16 x 36 mm / 1-3/8 x 55 mm / 2-1/8.