A colorful surprise cake to bring joy to all your friends! Yields 2 ten inch cakes Things you'll need Ingredients 2 cups unsalted butter 3 cups all purpose flour 3 cups cake flour 2 tablespoons baking powder 1 teaspoon salt 3½ cups sugar 8 eggs 4 teaspoons vanilla 2½ cups milk Purple frosting in decorating bag Multi colored mini gum balls Marshmallow fondant: white, red, green, orange, yellow, blue, purple Yellow, green, blue, purple and red frosting in piping bags fitted with #6 tips…