Some had wheels which turned, but these had to be pulled or pushed. A few of the early 19th-century push toy trains were made from tinplate, like the big, durable, stylized locomotive toys from the U.S., that were painted red and gold and decorated with hearts and flowers. model trains magazine
Around 1875, technological advancements in materials and manufacturing enabled tin to be scraped, cut, wrapped, and lithographed faster than previously.
Toy trains were altered when Märklin, a German firm which specialized in doll house accessories, sought to make an equivalent toy for boys where a constant revenue stream could be guaranteed by purchasing add-on accessories for years after the first purchase. Along with boxed sets comprising a train and monitor, Märklin offered additional track, rolling stock, and buildings sold separately, creating the predecessor to the modern model train layout featuring scenery and buildings in addition to an operating train.
Electric trains followed, with the first appearing in 1897, made by the U.S. company Carlisle & Finch. As home use of electricity became more common from 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 management, to emit a whistling noise, 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; afterwards trains were frequently made mainly of plastic.
Prior to 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 kids, while electric trains were marketed towards teenagers, especially teenaged boys.
Now, S gauge and O gauge railroads continue to be considered toy trains by their 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 into the 1970s). However, due to their high price, one is more inclined to find an HO scale or N scale train set at a toy store than an O scale set.
Many modern electrical toy trains comprise sophisticated electronics which emit digitized sound effects and permit the operator to safely and easily run multiple remote controller trains on a single loop of course. In recent decades, many toy rail operators may operate a train with a TV camera at the front part of the motor and hooked up to a screen, such as computer monitor. This will show a picture, similar to that of a real (smaller size) railroad.
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