Nice!
....... I couldn't tell you what 'R' number that was and nor would I care, I just want to know what loco(s)/coach(s)/wagon(s)/accessory(ies) the model is, so

for being uber geeky!
Contents include:
R269, Class 91 Bo-Bo Electric Locomotive, B.R. Inter City Swallow Livery
R471, Mk.4 Driving Van Trailer (DVT)
R453, B.R. Mk.4 Tourist Open Coach
R492, B.R. Mk.4 Tourist Open Coach
All in B.R. Inter City Swallow Livery
Oval of Track with 2nd radius curves, R607 X 8
Short Straights, R600 x 6
Power Connecting Clip,
Mains Power Controller.
The 225 in the title of the set refers to the BR prototype which has the capacity of running at 225 kilometres per hour (140mph).
(1993 - 1994) Supersound unit included requiring 2 AA 1.5 volt batteries.