2026 Topps Series 1 Baseball Celebration Mega Box Kingdoms of Intrigue Look for signers from the

Look for signers from the past and present of the LaLiga

familiar inserts

Rookie 1-of-1

Select FB delivers incredible memorabilia autographs in Jumbo Rookie Signature Swatches and additional exciting autographs sets like Signatures & Rookie Signatures

HoloGrFx Rookies 1:60

2026 Topps Series 1 Baseball Celebration Mega Box Kingdoms of Intrigue Look for signers from theEach 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