LEGO 7730 vintage train set inc transformer add on vintage 1970s | eBay
This LEGO Transformer turns into a bullet Train and Space Shuttle (triple changer) - YouTube
LEGO - Trains - 726 en 741 - Train, transformer and rails 726 en 741 - 1980-1989 - Catawiki
LEGO - Trains - LEGO train the Red Rider with transformer, rails and construction booklet 7725-1 Electric Passenger Train (Italiaanse spoorwegen FS) - 1980-1989 - Catawiki
LEGO 740-2 Trains 12V Transformer for 220V Pack | BrickEconomy
Train Transformer Building Block Toys for Boys Girls Aged 6-12.Steam Train or | eBay