Zoids Graphics is a monthly publication with each volume packaged in a box set that contains a plastic kit of a classic wind-up Zoid, a bonus part, and a special booklet. Volume 5 features a plastic kit of Twin Horn with a bonus diorama base. The booklet's contents include an explanation of the "Zoids" universe, articles on Twin Horn, instructions on building the Twin Horn kit, and design sketches. A sheet of marking stickers is provided, too. All text is in Japanese.