The 2026 Topps Series 1 Rainbow Foil trading card set features a variety of players from Major League Baseball, including Nick Kurtz, Jac Caglianone, Vladimir Guerrero Jr., and Aaron Judge. Manufactured by Topps in the United States, these original sports trading cards are in English and come in a standard size with a 20 Pt. card thickness. The set includes parallel/variety cards, making it a sought-after item for collectors looking to complete their set from top teams like the Boston Red Sox, Chicago Cubs, and New York Yankees.