The first toy trains were made from lead and had no moving parts. Some had wheels which flipped, but these had to be pulled or pushed. Some of the early 19th-century drive toy trains were made of tinplate, like the large, durable, stylized locomotive toys in the U.S., that were painted red and gold and decorated with hearts and flowers. model trains wellington
Around 1875, technological advancements in materials and manufacturing allowed tin to be scraped, cut, rolled, and lithographed faster than previously.
Toy trains were revolutionized when Märklina German firm which specialized in doll house accessories, sought to make an equal toy for boys in which a continuous revenue stream could be guaranteed by selling add-on accessories for years after the initial purchase. Along with boxed sets containing a train and track, Märklin offered additional track, rolling stock, and buildings offered separately, creating the predecessor to the modern model train layout featuring scenery and buildings in addition to a working train.
Electric trains adopted, with the first appearing in 1897, produced from the U.S. company Carlisle & Finch. As home use of power became more common in the early 20th century, electrical trains gained popularity and as time went on, these electric trains grew in sophistication, gaining lighting, the ability to change direction, to emit a whistling sound, to smoke, to couple and uncouple cars and even load and unload cargo. Toy trains by the first half of the 20th century were frequently made of lithographed tin; afterwards trains were frequently made mostly of plastic.
Before the 1950s, there was little differentiation between toy trains and model railroads–model railroads were toys by definition. Pull toys and wind-up trains were marketed by children, while electric trains were marketed towards teens, particularly teenaged boys. It was during the 1950s that the modern emphasis on realism in model railroading began to grab on.
Today, S gauge and O gauge railroads continue to be considered toy trains by their own adherents and are often accessorized with semi-scale model buildings by Plasticville or even K-Line (who owns the rights to the Plasticville-like buildings produced by Marx in the 1950s into the 1970s). However, as a result of their high price, one is more inclined to locate an HO scale or N scale train set at a toy shop than a O scale set.
Many modern electrical toy trains contain sophisticated electronic equipment that exude digitized sound effects and allow the operator to safely and easily run multiple remote control trains on one loop of course. In recent years, many toy rail operators may operate a train using a TV camera at the front part of the engine and hooked up to a display, such as pc monitor. This will show a picture, similar to that of a real (smaller size) railroad.
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