This is an action toy, with some die-cast metal parts, of a science fiction/anime character or item.
Here's the special Anime Export limited Test & Training Color version of Aoshima's Getter 1, from the "Change! Getter Robo" (a.k.a. "Getter Robo: Armageddon") OVA series, produced for export distribution and limited to only 1,500 pieces! Beautifully painted in test and training colors of white, grey, and green, Getter 1 stands 18cm (about 7 inches) tall, is made of die-cast metal and plastic, and comes with a Getter Beam hatch that can open and close, the Getter Tomahawk, Getter generator heart, two Getter Machine Guns, and several interchangeable hands. Act fast!