The first toy trains were made of lead and had no moving parts. Some had wheels which flipped, but these needed to be pulled or pushed. Some of the early 19th-century push toy rails were made of tinplate, like the big, durable, stylized locomotive toys in the U.S., that were painted red and gold and decorated with hearts and flowers. model trains chattanooga
Around 1875, technological advancements in materials and manufacturing allowed tin to be stamped, cut, rolled, and lithographed faster than previously.
Toy trains were revolutionized when Märklina German company that specialized in doll house accessories, sought to make an equivalent toy for boys where a continuous revenue stream could be ensured by purchasing add-on accessories for years after the initial purchase. In addition to boxed sets containing a train and monitor, Märklin offered extra track, rolling stock, and buildings offered separately, creating the predecessor to the modern model train layout featuring scenery and buildings along with an operating train.
Electric trains adopted, with the first appearing in 1897, made by the U.S. firm Carlisle & Finch. As residential use of electricity became more prevalent from the early 20th century, electric trains gained popularity and as time went on, these electrical trains grew in sophistication, gaining lighting, the ability to change direction, to emit a whistling sound, to smoke, to remotely couple and uncouple cars and even load and unload freight. Toy trains by the first half of the 20th century were often made of lithographed tin; later trains were frequently made mainly 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 teens, especially teenaged boys. It was during the 1950s the modern emphasis on realism in model railroading started to grab on.
Today, S gauge and O gauge railroads are still considered toy trains even 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 created by Marx from the 1950s to the 1970s). However, as a result of their high cost, one is more likely to find an HO scale or N scale train set at a toy store than an O scale collection.
Many modern electrical toy trains comprise sophisticated electronics that exude digitized sound effects and allow the operator to safely and easily run several remote control trains on one loop of track. In the last few decades, many toy train operators may operate a train using a TV camera at the front part of the motor and hooked up to a display, such as computer monitor. This will show an image, similar to that of a genuine (smaller size) railroad)
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