Sold in sets of three. 009 - 3D printed body, chassis, NEM355 pocket and close couple pivoting magnetic coupling fitted. Complete with moulded Polyacetals POM wheel sets. 3D Printed parts in PLA filament using (FDM) Fused Deposition Modelling machine. Supplied in kit form for buyer to assemble. Recommend glue is super glue. Condition is "New". Dispatched with Royal 2nd class.