[woodcote]

The Scalextric website has a 'Stockists' section, which might be a good start. You choose your region of the world, but then can search by UK county: www.scalextric.com/uk-en/stockists/

The independent retailers on the list near me all stock slot car brands as well as Scalextric. It makes a real difference seeing a model close up, rather than just a picture online. I usually end up buying something...