Aikatsu Cards are collectible trading cards used in the Aikatsu! franchise, which focuses on the world of idol training and performance. Each card features a character, outfit, or accessory that players can use in arcade games to create their own idol experiences. The cards are designed to enhance gameplay by allowing players to customize their idols and participate in various challenges. Players can collect different types of Aikatsu Cards, including those that represent outfits, songs, and special abilities. The cards are often used in conjunction with arcade machines, where players scan them to unlock new features and progress in the game. This interactive element makes collecting and using Aikatsu Cards a fun and engaging experience for fans.