2026 Topps Series 1 Celebration Baseball Mega Box

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Topps

2026 Topps Series 1 Celebration Baseball Mega Box

$79.95
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2026 Topps Series 1 Celebration Baseball Mega Box$79.95
Rookie CardsSerial NumberedAffordable
14 cards/pack14 packs/box

Why rip this

  • Celebrate 75 Years of Topps Baseball at Opening Day
  • Collect 350-card Series 1 base set stars
  • Chase Mega Box exclusive parallels and anniversary inserts

What's in the box

Back to buy ↑
  • MegaFactory-sealed mega.
  • 14Cards per packEach pack contains a set number of cards.
  • 14Packs per boxFactory-sealed packs in every box.
  • Rookie CardsIncludes first-year player cards.
  • Serial NumberedIncludes cards with limited, stamped print runs.
  • AffordableBudget-friendly way into the hobby.

Beyond the box

A closer look

2026 Topps Series 1 Celebration Baseball Mega Box

2026 Topps Series 1 Celebration Baseball Mega Box
Collector scene

Inside the release

Card highlights

A look at the cards in this release.
Example cards shown; pulls vary by box.

  • Walk This Way
    Walk This Way
  • Opening Day
    Opening Day
  • Mascots Blooper
    Mascots Blooper
  • Gameday Drip
    Gameday Drip

Collector’s guide

Get to know the release

Back to the product

Overview

- 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 format

- 14 Cards per pack

- 14 Packs per box

Rookies71

First-year players in this product.

  • Jonah Tong
  • Jacob Misiorowski
  • Dylan Smith
  • Payton Tolle
  • Ryan Ritter
  • Kyle Backhus
  • Nathan Church
  • Carson Williams
  • Shinnosuke Ogasawara
  • C.J. Kayfus
  • Andry Lara
  • Jakob Marsee
View 59 more rookies
  • Bradgley Rodriguez
  • Grant Taylor
  • Warming Bernabel
  • Parker Messick
  • Bob Seymour
  • Jimmy Crooks
  • Alex Freeland
  • César Prieto
  • Juan Burgos
  • Samuel Basallo
  • Cam Schlittler
  • Carson Seymour
  • Yanquiel Fernández
  • Luinder Avila
  • Cole Young
  • Brice Matthews
  • Joe Rock
  • Jac Caglianone
  • Zach Maxwell
  • Kenedy Corona
  • Christian Moore
  • Jacob Melton
  • Travis Adams
  • Drew Gilbert
  • Colson Montgomery
  • Brandyn Garcia
  • Ian Seymour
  • Wikelman González
  • Brady House
  • Maximo Acosta
  • Carson Whisenhunt
  • Otto Kemp
  • Roman Anthony
  • Kyle Teel
  • Jack Perkins
  • Troy Melton
  • Colby Thomas
  • Nolan McLean
  • Cody Freeman
  • Chad Stevens
  • Owen Caissie
  • Didier Fuentes
  • Will Banfield
  • Carlos Cortes
  • Luis Morales
  • Cam Devanney
  • Mason Barnett
  • Jeremiah Jackson
  • Bubba Chandler
  • Anthony Seigler
  • Lazaro Estrada
  • Chase Burns
  • Jhostynxon Garcia
  • Troy Johnston
  • Pierson Ohl
  • Tristan Peters
  • Kyle Karros
  • Dylan Beavers
  • Tristin English

Parallels4

Sorted rarest first — /N is the print run per card.

  • Confetti (1:2 packs)Not specified
  • Opening Day Foil (1:16)Not specified
  • Confetti Pink (1:108)Not specified
  • Confetti Lime Green (1:215)Not specified

Inserts4

Insert sets featured in this release.

  • Mascots
  • Gameday Drip
  • Perennial All Stars
  • 8 Bit Ballers

2026 Topps Series 1 Celebration Baseball Mega Box | Midwest Cards