A 7mm model of the Somerset & Dorset Railway at Bath Green Park.

The railway is based in the 1950's and 60's up to closure. The track layout is as close as can be in a model and includes Green Park station, both S&D and Midland sheds, Midland Bridge and S&D yards, Bath Junction, Devonshire Bank and tunnel, Lyncombe Vale, Combe Down tunnel, Midford station and viaduct, Writhlington Colliery and exchange sidings and is run with correct stock and to timetable for the period