The 2026 Topps Series 1 Full Base Rookie Card Set includes 71 standard-sized baseball trading cards featuring players like Jac Caglianone and Roman Anthony. Manufactured by Topps in the United States, these original cards are part of the Major League (MLB) set for the 2026 season. Each card is made of card stock and is part of the base set, making them a valuable addition to any sports trading card collection. This set is a must-have for fans and collectors looking to own rookie cards from the latest season.