Sellers of vintage Transformers toys include Transformerland.com, eBay.com, Dallas Vintage Toys and TFSource.com as of 2015. Many sellers offer Transformers toys in their unopened original packaging as well as used toys of varying quality.
EBay lists Transformers for sale by auction as well as toys with set prices. Dallas Vintage Toys sells vintage Transformers toys online and in its brick-and-mortar store. Many sellers also buy Transformers and other toys.
A majority of vintage Transformers sell under the "Generation 1" or "G1" descriptions, which refer to toys manufactured by Hasbro between 1984 to 1991. Some vintage G1 models sell for over $800. Toys manufactured between 1992 and 1994 are listed as "Generation 2" or "G2."