Our take
The Mega Box is the retail workhorse of 2026-27 Topps Flagship Basketball: 12 packs of 15 cards, 180 cards in all, drawing from the retail-only Holo Foil parallels and the Soundcheck and Certified Cold inserts. Autographs and relics are randomly inserted rather than guaranteed, so treat any hit as a bonus. Midwest Cards suggests it for set builders and anyone who wants a big stack of base and inserts without the hobby price.
Rookies1
First-year players in this product.
- BSBase set includes 45 rookie cards (#256-300) led by AJ Dybantsa, Darryn Peterson, Cameron Boozer, Caleb Wilson and Keaton Wagler; first LeBron James Sixers and Giannis Antetokounmpo Heat cards
Parallels1
Sorted rarest first — /N is the print run per card.
- Gold /2026, Black /75, Rainbow Foilboard, Wood /25, First Card 1/1, Rainbow Aqua, Yellow /399, Purple /250, Blue /150, Green /99, Gold /50, Orange /25, Black /10, Red /5, FoilFractor 1/1; retail-exclusive Holo Foil parallels through Rose Gold Holo Foil 11/1
Inserts1
Insert sets featured in this release.
- Stars of NBA, Drivers, Poster Factory, No Limit, Rookie Code, Generation Now, 1981-82 Topps Basketball; retail-exclusive Soundcheck and Certified Cold; case hits All Kings, Class of 26, Hardwood Stars, Bounce and Comic Court