2026 Topps Series 1 Baseball Hobby Jumbo Box

Celebrate the 75th anniversary of Topps Baseball with the 2026 Series 1 Hobby Jumbo Box, the flagship release that kicks off the baseball card season in a big way. Hobby Jumbo Boxes are built for serious collectors and breakers, delivering oversized pack counts, exclusive parallels, premium autographs, relics, and the deepest insert selection in the product.

Collectors can expect a massive 350-card base set featuring today’s stars, rising rookies, legendary greats, and league leaders, along with an extensive lineup of numbered parallels and short prints. Hobby Jumbo-exclusive Sandglitter parallels add an extra chase layer, while premium autograph relics, patch autos, and one-of-one hits headline the high-end checklist.

With guaranteed autographs, relics, promo packs, and exclusive Jumbo-only content, 2026 Topps Series 1 Hobby Jumbo Boxes deliver one of the most complete and exciting ripping experiences of the year.

What You Get in Every Hobby Jumbo Box (on average)

• 1 Autograph Card

• 1 Relic Card

• 2 Promo Packs

• Hobby Jumbo-exclusive Sandglitter Parallels

• A wide selection of inserts, parallels, and variations

Box Configuration

• Packs per box: 10

• Cards per pack: 40