009 / 4mm Scale Engine Shed | Narrow Gauge Scratch-Aid Kit. Scale: 009 / 4mm Narrow Gauge. Enhance your narrow gauge layout with this high-quality, full-relief 3D Engine Shed kit. Designed specifically for009 scale, this "scratch-aid" kit provides a precision-cut foundation, allowing you to focus on the creative details and custom weathering that make a layout unique.
