2026 Topps Series 1 Baseball Celebration Mega Box Upper Deck Presenting the all-new MINIX line

Presenting the all-new MINIX line of collectible mini figures from Mego

- 1 Oversized Big baseball Card or Cello Wrapped Auto Variation

and you only need to learn one set of rules

Base Set – Orange Dots Parallel #’d to 399

and eye-popping

2026 Topps Series 1 Baseball Celebration Mega Box Upper Deck Presenting the all-new MINIX lineConfiguration: 14 Packs Per Box, 14 Cards Per Pack Each 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