One Batman Vs. Superman Cake Decorating Kit. Each kit includes: One 6 inch long Bat Mobile, a 2.25 inch tall Superman, and a 5.75 inch Gotham City standup background. Transform your cake into an epic superhero battle with our Batman Vs. Superman Cake Decorating Kit. When your party is over, keep the Bat Mobile as a keepsake to remember your awesome party. Be sure to checkout our other Batman Vs. Superman party supplies to bring a piece of Gotham to your party room.