The 2026 Topps Collector's Kit Exclusive Cooper Flagg RC Rainbow Foil Rookie #NBA-6 is a highly sought-after sports trading card featuring basketball player Cooper Flagg. Manufactured by Topps, this card is part of the 2026 Topps set and showcases a unique Rainbow Foil parallel variety. As an exclusive card, it offers collectors a special edition piece that adds value to their collection. With the NBA-6 designation, this card represents a rare find for fans of multi-sport trading cards.