The 2026 Topps Tier One Baseball Hobby Box is a limited edition sports trading card set featuring players from Major League Baseball (MLB). Each box contains a standard size card stock card of a MLB player, with a focus on the MLB World Series. Produced by Topps in the United States, this English language set is perfect for baseball fans looking to add to their sports trading card collection for the 2026 season. Each box is authenticated by Topps and is a must-have for collectors of baseball trading cards.