I've gone for the whole 8 cars.
EDIT:
Here some images from model in the LT Museum
https://www.flickr.com/photos/mackenzieblu/sets/72157653249369934
OO S Stock by Mackenzie Soley, on Flickr
OO S Stock by Mackenzie Soley, on Flickr
OO S Stock by Mackenzie Soley, on Flickr