2026 Topps Series 1 Baseball Celebration Mega Box import_2021_10_29_213846 Every Box contains Three Blue

Every Box contains Three Blue Parallels & Two Numbered Parallels

Bright Future and the popular Top XI

Autograph watch

Three Z-Force Cards

Origins Football is back and features the first on-card rookie autographs of the 2022 draft class in their professional uniforms

2026 Topps Series 1 Baseball Celebration Mega Box import_2021_10_29_213846 Every Box contains Three BlueEach Box contains 1 Base Card Opening Day Parallel and at least 7 Base Card Confetti Parallels, on average! 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