The first toy trains were made of lead and had no moving parts. Some had wheels that flipped, but these had to be pushed or pulled. Some of the early 19th-century drive toy trains were made from tinplate, like the large, durable, stylized locomotive toys from the U.S., which were painted gold and red and decorated with hearts and flowers. model trains sizes
Around 1875, technological improvements in materials and manufacturing enabled tin to be scraped, cut, wrapped, and lithographed faster than previously.
Toy trains were revolutionized when Märklin, a German firm which specialized in doll house accessories, sought to make an equivalent toy for boys in which a constant revenue stream could be ensured by purchasing add-on accessories for decades after the initial purchase. Along with boxed sets containing a train and monitor, Märklin offered extra track, rolling stock, and buildings sold separately, creating the predecessor to the modern model train layout featuring buildings and scenery in addition to a working train.
Electric trains adopted, with the first appearing in 1897, produced from the U.S. firm Carlisle & Finch. As home use of electricity became more prevalent in the early 20th century, electrical trains gained popularity and as time moved on, these electrical trains grew in sophistication, gaining lighting, the ability to change direction, to emit a whistling noise, to smoke, to remotely couple and uncouple cars and even load and unload cargo. Toy trains from 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 distinction between toy trains and model railroads–model railroads were toys by definition. Pull toys and wind-up trains were marketed towards children, while electric trains were marketed towards teenagers, 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 from the 1950s to the 1970s). However, as a result of their high price, one is more likely to locate an HO scale or N scale train set at a toy store than an O scale collection.
Many modern electrical toy trains comprise sophisticated electronic equipment which emit digitized sound effects and allow the operator to securely and easily run several remote control trains on one loop of track. In recent decades, many toy rail operators will operate a train with a TV camera at the front of the motor 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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