2026 Topps Celebration Baseball Series 1 MEGA box (14 pks/bx)

Each sealed box contains 14 packs of 14 cards. *Find 1 base set Opening Day parallel and at least 7 base set Confetti parallels per box. *The 2026 Topps Series 1 Baseball Celebration Mega Box arrives just in time for MLB Opening Day, building on the flagship release and continuing the celebration of 75 Years of Topps Baseball. *Celebration delivers the 350-card Series 1 base set, featuring today's biggest stars, top rookies, Future Stars, League Leaders, and team cards. Collectors can look for 75th anniversary-themed inserts and parallels that honor the brand's rich history and legacy in the Hobby. *The Celebration Mega Box adds exclusive base card parallels and inserts. Returning favorites include Dugout Peeks, Walk this Way, and Gameday Drip, alongside trading cards highlighting team mascots. *Autographs and relics remain a cornerstone of the experience, delivering the hits collectors expect from Topps Baseball.