L gauge is the unofficial term for toy trains built from LEGO®. There are many different sizes within the nomenclature. Lego Group logo Lego sets feature a large variety of themed people (called “minifigures”), including the Space, Castle, and City figures above. ... Nomenclature is a system of naming and categorizing objects in a given category. ...

L gauge trains are becoming increasingly popular among middle-age hobbyists who grew up with the building toy as a child, and are frustrated with traditional model trains such as are found in HO scale. HO scale (H0 scale in continental Europe) is the most popular scale of model railway in most of the world outside the United Kingdom, where the slightly larger in scale OO gauge is most common. ...

See also LEGO train LEGO Train is a theme in the LEGO Group products. ...