2026 Topps Series 1 Baseball Mega Box: what's inside

What's in a 2026 Topps Series 1 Baseball mega box

Packs

14

Cards per pack

14

Cards in all

196

Counts from Topps' own page [1].

• The Celebration Mega Box has exclusive inserts: Walk This Way, Gameday Drip, Mascots, Hidden Mascots, 8-Bit Ballers, Perennial All-Stars and Dugout Peeks. [2]

Released: February 18, 2026, per Topps [1]

Every 2026 Topps Series 1 Baseball box, side by side

• Hobby BoxHobby20 x 12 = 240 cards

  Rainbow Foil parallels are hobby exclusive.

• Hobby Jumbo BoxHobby10 x 40 = 400 cards

  Topps lists one autograph and relic card per box.

• Mega BoxRetail14 x 14 = 196 cards

  The Celebration Mega Box has exclusive inserts: Walk This Way, Gameday Drip, Mascots, Hidden Mascots, 8-Bit Ballers, Perennial All-Stars and Dugout Peeks.

• Hanger BoxRetailCounts not published

  Diamante Foil parallels are hanger exclusive, from base through Red /5.

• Value BoxRetail6 x 12 = 72 cards

  Spring Training parallels are exclusive to this format, in Green /99, Gold /50, Orange /25 and Red /5.

Rookie cards to find in 2026 Topps Series 1 Baseball

Every format of a set carries the same base rookie cards. These are the ones with a Parlae card page, each with its card number.

• Brady HouseTopps Series 1 #170
• Brice MatthewsTopps Series 1 #132
• Bubba ChandlerTopps Series 1 #283
• Cam SchlittlerTopps Series 1 #111
• Chase BurnsTopps Series 1 #312
• Cole YoungTopps Series 1 #129
• Colson MontgomeryTopps Series 1 #157
• Didier FuentesTopps Series 1 #243
• Drew GilbertTopps Series 1 #155
• Dylan BeaversTopps Series 1 #339
• Grant TaylorTopps Series 1 #49
• Ian SeymourTopps Series 1 #165
• Jac CaglianoneTopps Series 1 #138
• Jacob MisiorowskiTopps Series 1 #10
• Jakob MarseeTopps Series 1 #37
• Jonah TongTopps Series 1 #4
• Kyle TeelTopps Series 1 #201
• Nolan McLeanTopps Series 1 #214
• Owen CaissieTopps Series 1 #233
• Parker MessickTopps Series 1 #67
• Payton TolleTopps Series 1 #15
• Roman AnthonyTopps Series 1 #189
• Samuel BasalloTopps Series 1 #104

Inserts, parallels and autographs in 2026 Topps Series 1 Baseball

• The base set has 350 cards: 275 veterans, 30 rookies, 10 Future Stars, 15 team cards, 10 league leaders and 10 combo cards. [3]
• Inserts include Big Ticket Players, Heavy Lumber and All Aces. [3]
• New additions include Base Card 1952 Variations, Topps Profiles and 1991 Topps Baseball. [3]
• Foil parallels split by format: Holo Foil in retail, Rainbow Foil in hobby, Sandglitter in jumbo. [4]

2026 Topps Series 1 Baseball mega box questions

How many packs are in a 2026 Topps Series 1 Baseball Mega Box?

14 packs, each with 14 cards, per Topps' own page.

How many cards are in a 2026 Topps Series 1 Baseball Mega Box?

196 cards: 14 packs of 14.

How is the mega box different from other 2026 Topps Series 1 Baseball boxes?

The hobby box holds 20 packs of 12; the hobby jumbo box holds 10 packs of 40; the value box holds 6 packs of 12, against 14 packs of 14 here. What Topps says only this format carries is listed on this page.

When did 2026 Topps Series 1 Baseball come out?

February 18, 2026, per Topps.

Sources

1. topps.com/products/2026-topps-baseball-series-1-mega-box
2. ripped.topps.com/2026-topps-series-1-baseball-celebration-mega-box-collector-guide/
3. ripped.topps.com/2026-topps-series-1-baseball-checklist/
4. ripped.topps.com/2026-topps-series-1-baseball-collectors-guide/