Well, as I'm not going to be around much for a few days, I'll give you the answer.
They were all the subject of a range of model kits produced by Rosebud Kitmaster, which was the brand name of a short-lived but critically acclaimed range of plastic assembly kits, manufactured in the UK by Rosebud Dolls Ltd of Raunds, Northamptonshire from May 1959.
The range rapidly expanded to include 34 models of railway locomotives and coaches in OO, HO and TT scales, and eventually, one motorcycle in 1/16 scale.
This was the range of railway models:
The 00/HO gauge models consisted of:
Kit No 1 - Stephenson's Rocket
Kit No 2 - BR Class 08 diesel shunter locomotive
Kit No 3 - USA 4-4-0 Locomotive The General
Kit No 4 - LMS Coronation Class locomotive Duchess of Gloucester
Kit No 5 - SR 4-4-0 Schools Class locomotive Harrow
Kit No 6 - Lancashire & Yorkshire 0-4-0 saddle tank locomotive
Kit No 7 - GWR Prairie Tank locomotive
Kit No 8 - Italian 0-6-0 tank locomotive
Kit No 9 - Stirling 8ft Single locomotive
Kit No 10 - Deltic Prototype diesel locomotive
Kit No 11 - SR 4-6-2 Battle of Britain Class locomotive Biggin Hill
Kit No 12 - Swiss Crocodile electric locomotive
Kit No 13 - BR Standard Mk1 Corridor Composite Coach (in Maroon or Green)
Kit No 14 - BR Standard Mk1 Corridor 2nd Coach (in Maroon or Green)
Kit No 15 - BR Standard Mk1 Corridor Brake 2nd Coach (in Maroon or Green)
Kit No 19 - German 2-6-2 locomotive class 23
Kit No 22 - BR Standard 2-10-0 9F locomotive Evening Star
Kit No 23 - SNCF Class 241P 'Mountain' locomotive
Kit No 24 - GWR 4-4-0 locomotive City of Truro
Kit No 25 - LMS 2-6-0+0-6-2 Beyer-Garratt Locomotive
Kit No 26 - 0-6-0ST "Austerity" class J94
Kit No 27 - German DB Koln Munchen Coach
Kit No 28 - BR Standard Mk1 Restaurant 1st Coach (in Maroon or Green)
Kit No 29 - French SNCF INOX aluminium coach
Kit No 30 - BR 2-6-0 Standard Class 4 'Mogul'
Kit No 31 - Midland Blue Pullman power car
Kit No 32 - Midland Blue Pullman kitchen car
Kit No 33 - Midland Blue Pullman parlour car
Kit No 34 - New York 'Hudson' 4-6-4 steam locomotive
The TT gauge models were: -
Kit No 16 - LMS 4-6-0 locomotive Royal Scot
Kit No 17 - BR Standard Mk1 Corridor Brake 2nd Coach (in Maroon or Green)
Kit No 18 - BR Standard Mk1 Corridor Composite Coach (in Maroon or Green)
Kit No 20 - BR Standard Mk1 Corridor 2nd Coach (in Maroon or Green)
Kit No 21 - BR Standard Mk1 Restaurant 1st Coach (in Maroon or Green)
I'll also declare an open modelling bench!