This Mario and Luigi birthday cake is a 10″ round white cake with butter cream frosting. Mario and Luigi and all the decorations are made out of homemade marshmallow fondant. I added a little tylose powder to the fondant for Mario and Luigi so they would stiffen up a bit. This cake was for my Grandson who loves to play anything Mario and Luigi on the Wii when he comes to my house. He LOVED his cake !!