Transformation Items and Weapons from the Drama "Kamen Rider Build" Transformation Steam Gun DX Trans Steam Gun Valve Rotation DX Steam Blade When combined, it becomes a sword-shaped weapon with a rifle mode. Comes with 2 Full Bottles These items activate various sound gimmicks when loaded with separately sold Full Bottles. All functions have been tested. Since not all gimmicks are known, please understand that some gimmicks may not work. Batteries will be removed before shipping.