A 3D Printed short Re-Railer for Standard Peco O Gauge (7mm) Scale track systems. Fits neatly over a short length of Straight track, locates and guides Wheels, Bogies, onto the track easily. Just hold the Loco, Coach or wagon and roll the first set of wheels into the Guides, and follow with other wheels. Useful on baseboards where viewing down to track level is not easy. Comes in its own box for safe storage.