Takara released CB-Tetsujin28
as the first "official" Choro Q Robo toys. (CB-Mazinger
Z was re-released as Choro Q Robo Mazinger Z Plus)
released in 2001. There were three versions of this Choro Q Robo -
Blue version, Original version and gray version.
Tetsujin28 was early
pioneer of giant robots.
CB-Tetsujin28 used the
same method of transformation as CB-Mazinger.