Topps
2026 Topps Series 1 Baseball Celebration Mega Box
2026 Topps Series 1 Baseball Celebration Mega Box
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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 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.
Configuration: 14 Packs Per Box, 14 Cards Per Pack
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Free Shipping Over $250
We are excited to offer free shipping over $250 to the lower 48 United States. Simply add $250 or more to your cart and you’ll be good as gold.
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Returns & Exchanges
Due to the nature of our business and collectible cards, we cannot accept returns on items that are damaged (prior to purchase). There are certain situations where only partial refunds are granted (if applicable). To complete your return, we require a receipt or proof of purchase. View full policy