The McDonald's 2026 Sanrio My Melody x Mothra Happy Meal Toy Box #3 is a collectible toy box featuring a collaboration between McDonald's and Sanrio. This toy box, released in 2026, It includes toys based on the popular Sanrio characters My Melody and Mothra, making it a fun and engaging addition to any fan's collection. This toy box is sure to delight fans of both McDonald's and Sanrio with its unique and exciting offerings.