kamen rider build

To transform into Kamen Rider Build, a user sets two different Fullbottles into the Build Driver and turns the crank. dx kamen rider Kamen Rider Build, like Kamen Riders Double and OOO before him, can assume a variety of different forms, called Trial Forms (トライアルフォーム, Toraiaru Fōmu), using different combinations of Fullbottles