Bandai followed in Takara / Hasbro's footsteps of creating transforming toys that could combine with each other to form a larger robot. They first tried to to have their figured fit in Power Suits than combined with a larger ship. They then created the Puzzler set which was the first fully transforming set of 6 GoBots. With much success, the Puzzler was later followed with Monsterous or in Japan, he was called Satan 6.
