The museum exhibits a collection of railway vehicles presenting all uses of narrow-gauge railways. These uses began in the 19th century, but disappeared before the end of the 20th century.
Military activities, mining, passenger transport, quarries, brickworks, industries, dynamiteries, powder mills, steel mills, sugar mills, etc. are represented.
All traction modes are present: steam locomotives, diesel, gasoline, electric, battery.
Seven vehicles are classified or registered as Historic Monuments.