2026 Topps Series 1 Baseball 6-Pack Blaster Box. Each Box contains 2-3 Spring Training Base Card Parallels, on average! Celebrate the 75th anniversary of Topps Baseball with 2026 Series 1. Collectors will find the league's current stars, greats from the past, and rising rookies featured on base cards, inserts, and autograph and relic cards. The 350-card set includes MLB stars, rookies, Future Stars, League Leaders, Team Cards, and more. 6 Packs Per Box, 12 Cards Per Pack. New/Factory Sealed