2026 Topps Series 1 Baseball Hobby Jumbo Box

Start your 2026 baseball season strong with the 2026 Topps Series 1 Baseball Jumbo Box, a flagship release kicking off the year-long celebration of Topps Baseball’s 75th Anniversary. Built for serious collectors and MLB fans, this jumbo format delivers heavy content per box with plenty of parallels, inserts, and high-end chase cards you want to add to your collection. Each Jumbo Box includes 10 packs with 40 cards per pack, plus 2 promo packs, offering an expanded pack count that gives you a deeper dive into the massive 350-card base set featuring today’s big stars, breakout rookies, Future Stars, League Leaders, and more. Chase a wide range of vibrant and numbered parallels — including Gold, Rainbow Foil, Independence Day, new 75 Years of Topps parallels, Black, Canvas, Memorial Day Camo, Wood, and ultra-rare Foilfractors — along with exciting variations and specialty inserts like Base Card 1952 Variations and Cover Athletes. The Jumbo format also ups the ante on premium hits, delivering on-card auto-relics, Flagship Autograph Patch cards, Major League Material autographs and relics, and Real One relics from both current superstars and iconic legends. Why Buy from IfItsSports.com: Get authentic, factory-sealed product packed with care and shipped fast by a trusted local hobby shop that knows what collectors love. Add your Jumbo Box to the cart today — chase rare parallels and elite hits before they’re gone! Listed With Mascot.