Light-up action figures are toys designed to resemble popular characters from movies, comics, or video games. These figures often feature built-in LED lights that illuminate specific parts, such as their eyes or weapons, enhancing their visual appeal. They are typically made from durable plastic and come in various sizes, making them suitable for both play and display. Many light-up action figures are part of larger collections, allowing fans to create themed displays. Some figures may also include sound effects or interactive features, adding to the overall experience. Popular franchises like Marvel, Star Wars, and Transformers often produce these exciting toys.