2026 Topps Series 1 Baseball Celebration - Mega Box

2026 Topps Series 1 Baseball Celebration Mega Box

Kick off the season with the Opening Day-ready Celebration Mega Box, built on 2026 Topps Series 1 and continuing the 75 Years of Topps Baseball theme. Expect a flagship-style rip packed with stars, rookies, and fun inserts, plus Mega Box exclusives.

Configuration

• 14 packs per box

• 14 cards per pack

Set highlights

• 350-card Series 1 base set featuring stars, top rookies, Future Stars, League Leaders, and team cards

• 75th anniversary-themed inserts and parallels honoring Topps’ legacy

Mega Box exclusives

• Exclusive Holo Foil parallels

• Additional Celebration-exclusive base parallels and inserts (manufacturer stated)

Insert chase (returning favorites)

• Dugout Peeks

• Walk This Way

• Gameday Drip

• Mascot-themed cards

Autographs & relics

• Look for autograph and relic cards in select boxes (manufacturer stated)

Notes

• New / factory sealed

• All sales are final

• Art subject to change; not responsible for typographical or printer errors

• Contents and odds are set by the manufacturer and can vary by box

Please review the title, description, and photos before purchasing. Photos may be representative; you may not receive the exact copy shown, especially on multi-quantity listings. No returns or exchanges for buyer's remorse (including change of mind, wrong item ordered, pulling the card elsewhere, or grading outcomes). If we make a mistake in the listing or your order arrives damaged, please contact us and we'll work with you to resolve it. We are an independent seller; all trademarks belong to their respective owners.