Darth Vader/Death Star's robot mode isn't too bad considering that it's transformed from a grey ball to a black robot, and it's interesting how it has a cloth cape that tucks away in alt mode. But that toy is also a real female dog to transform and a mother of a shellformer. There's really not much fun to it as a Transformer toy. I personally find Unicron to be loads more fun to play with. Although Darth Vader/Death Star does offer a lot of play value as a ball.