The 2025/26 Topps Holiday Basketball Countdown Advent Calendar is a limited edition sports trading card set featuring players from the National Basketball Association (NBA). This advent calendar includes 4 boxes of cards, with each box containing a mix of base, short print, and special edition cards. Manufactured by Topps in the United States, these English language cards are perfect for basketball fans looking to add unique and collectible items to their collection for the 2025 season.