Trading cards are small, collectible cards that often feature images and information about various subjects, such as sports, video games, or movies. Each card typically includes a picture, statistics, and sometimes special features like holograms or autographs. People enjoy collecting these cards, trading them with friends, or using them in games. Many trading cards are part of popular franchises, like Pokémon or Magic: The Gathering. Some cards can become very valuable over time, especially rare ones. Collectors often seek to complete sets or find specific cards to enhance their collections, making trading cards a fun hobby for many.