The 21-22 Topps UEFA Champion's League Soccer Blaster Box is a limited edition sports trading card set that includes 42 cards featuring popular soccer players such as Ronaldo, Marcus Rashford, and Thierry Henry. The set is packaged in a sealed aluminum box and includes cards made of card stock and paper. The cards are in English and feature teams like Liverpool, FC Barcelona, and Manchester United. The set includes features like serial numbering, short prints, holograms, and rookies. The set is ideal for soccer fans and collectors.