Chocolate cake with Nutella cream and pecans filling. Caramel flavor buttercream. Batman, batmobile and cars are edible images. Buildings, letters and batman logo are gumpaste. Overall I had fun making this cake although still struggling with the buttercream...too many air bubbles. Some day I'll perfect the art of buttercream! Especial thanks to Klpint, Mooj, Bizzers and Amyvanderhaag for their kind help and patience, you ladies rock!! :)