The Kado Senshi range began as a 20th Anniversary line, within Bandai's Chogokin series. The line consisted of 1/144 scale versions of the Gundam and Char's Zaku from the Mobile Suit Gundam anime, marrying diecast and high grade plastic with excellent articulation and a wide range of accessories. a GM, fittingly using many of the mouldings from the Gundam figure, and several recolours were soon added. The line then had three more releases over the next couple of years - the Z-Gundam and Hyaku Shiki from Mobile Suit Zeta Gundam, and the ZZ-Gundam from Mobile Suit Gundam ZZ. For the two transforming Gundam, the subline's name was modified to Kahen Senshi.