This product includes the Beat Raise Buckle and Kamen Rider Nago's Rider Core ID, allowing you to play at transforming into Beat Form. By setting the Beat Raise Buckle in the separately sold "Transformation Belt DX Desire Driver" and playing the keyboard, a beat will play. Turning the disc will produce a scratching sound, enabling transformation into Beat Form. Using the included Kamen Rider Nago Core ID with the Desire Driver allows you to enjoy role-playing as "Kamen Rider Nago Beat Form." The Beat Raise Buckle alone also allows you to enjoy three types of beat play by playing the keyboard and scratching sound play. [Set Contents] ・Beat Raise Buckle...1 ・Rider Core ID (Kamen Rider Nago Core ID)...1 [Batteries Used] Button battery (LR44) 2 (included) *The batteries included are for testing purposes. This item was played with by a child, so there may be minor scratches. Please understand this before purchasing. There is no box, so it will be shipped in bubble wrap. Kamen Rider / Series: Kamen Rider Geats Item/Type: Transformation Belt Transformation Belt / Series: DX Rider Core ID: Nago