2026 Topps Series 1 Baseball Celebration Mega Box

Release Date: 3/26/26

Configuration:

• 14 cards per pack.
• 14 packs per box.

PRODUCT HIGHLIGHTS:

• 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!

Box Break:

• 1 Base Card Opening Day Parallel
•  7 Or More Base Card Confetti Parallels