This kit is of the Glasgow Type IIA cars and the Liverpool Type B cars. They were 7 window 4 wheel open top double deck cars with knifeboard seats on the top deck.
Similar cars were used in Cardiff, Edinburgh, Galway, Great Grimsby, Liverpool (Type B), London, Newcastle, Oxford, Plymouth, Sheffield, Southampton, Swansea, Wrexham and York.
These cars look like the KW 109 Liverpool cars, but with 7 windows and knifeboard seating like the KW109a Glasgow car.
Horses are not included.
For transfers see KW 0109c tr for Glasgow or KW 109 tr for Liverpool