The 2026 Topps MLB Heritage Baseball Trading Card Blaster Box celebrates the 1977 design with an expanded lineup. This year's release features new base parallels, inserts, variations, and subsets, alongside autographs and relics.

• 8 Packs per box, 8 cards per pack
• Each box contains, on average, 1 insert, 2 short print base cards, 2 base card dark green bordered parallels, 2 base card chrome variations, short prints, or numbered parallels, and 2 base card chrome pink sparkle parallels.