Next are the Akibaranger Ranger Keys, which are all compatible with the Mobilates Memorial Edition (sold separately). These Ranger Keys are: Akiba Red, Akiba Blue, Akiba Yellow, Akiba Blue (Season 2 Ver.), and Akiba Yellow (Season 2 Ver.). Like the recent Gokaiger Memorial Edition releases, these Ranger Keys have an instant flip button. This Premium Bandai web exclusive set cost 4,950 yen and was released this month.