2026 Topps MLB Series 1 Baseball Trading Card Celebration Box

Each box contains on average 1 Opening Day parallel base card and at least 7 Confetti parallel base cards!

The Topps 2026 Baseball Series 1 Celebration Mega Box arrives just in time for MLB Opening Day, building on the flagship release and continuing the celebration of Topps Baseball's 75 years.

The Celebration Collection features the 350-card Series 1 base set, showcasing today's biggest stars, top rookies, Future Stars, league leaders, and team cards. Collectors will also discover insert cards and parallels themed around the 75th anniversary, paying homage to the brand's rich history and legacy in the world of trading cards.

The Celebration Mega Box features parallel base cards and exclusive inserts. It includes fan favorites like Dugout Peeks, Walk this Way, and Gameday Drip, as well as collectible cards featuring team mascots.

Autographs and collectibles remain an essential part of the experience, giving collectors the Topps Baseball cards they've been waiting for.

Configuration : 14 packs per box, 14 cards per pack