This is Bandai's SD Cross Silhouette Dai Mazinger buildable model, part of the classic Japanese mecha IP "Mazinger Z." It features a chibi-style mecha design, combining mechanical details with a cute aesthetic. Made of plastic, it can be assembled to create Dai Mazinger figures in black, blue, red, and silver, with gold details. It also features a "mode switch" feature, allowing it to display different forms. Made in Japan, it's a popular collectible and buildable item for mecha model enthusiasts, suitable for ages 8 and up. It offers hands-on fun while recreating the charm of classic anime mecha.