2026 Topps Series 1 Baseball Celebration Mega Box

2026 Topps Series 1 Baseball Celebration Mega Box

Box Contents:

• 14 packs per box
• 14 cards per pack

What to look for in the product?

• 1 Opening Day base parallel card
• 7 Confetti base parallel cards
• Numbered and non-numbered parallels of base, insert, memorabilia, and autograph cards 
• Exclusive inserts, memorabilia, and autograph cards:
  • Walk This Way
  • Gameday Drip
  • Mascots
  • Mascots Dynasty Autograph Patch
  • Hidden Mascots
  • 8 Bit Ballers
  • Perennial All-Stars
  • Dugout Peeks