The railway currently has 2 of these coaches, they are scratch built from 3mm ply with 3D printed detail. The wheels are Binnie Engineering.
Engraving and cutting out the coach body parts on a CO2 40 watt laser cutter.
The railway also has 2 of these IP engineering kits, with the workers figures from Modeltown and a slight modification to the build as the instructions show the brake leaver in the wrong place!