The earliest 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 from tinplate, like the large, durable, stylized locomotive toys from the U.S., that were painted gold and red and decorated with hearts and flowers. model trains millswood
Around 1875, technological improvements 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 purchasing add-on accessories for decades after the initial purchase. Along with boxed sets containing a train and track, Märklin offered extra track, rolling stock, and buildings sold separately, creating the predecessor to the modern model train layout featuring scenery and buildings along with a working train.
Electric trains followed, with the first appearing in 1897, made from the U.S. firm Carlisle & Finch. As home use of power became more prevalent in the early 20th century, electrical trains gained popularity and as time moved on, these electric trains grew in sophistication, gaining lighting, the ability to change direction, to emit a whistling noise, to smoke, to remotely couple and uncouple cars as well as load and unload freight. Toy trains by the first half of the 20th century were frequently made of lithographed tin; later trains were frequently made mostly of plastic.
Prior to 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 kids, while electrical trains were marketed towards teenagers, especially teenaged boys. It was during the 1950s 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 even by their adherents and are often accessorized with semi-scale model buildings by Plasticville or K-Line (who owns the rights to the Plasticville-like buildings created by Marx from the 1950s into the 1970s). However, due to their high price, one is more likely to locate an HO scale or N scale train set at a toy store than a O scale set.
Many modern electric toy trains contain sophisticated electronics that emit digitized sound effects and allow the operator to safely and easily run several remote control trains on one loop of course. In recent decades, many toy rail operators may operate a train with a TV camera in the front of the motor and hooked up to a screen, such as computer monitor. This will show an image, like that of a genuine (smaller size) railroad)
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