Ingredients Buttercream Frosting Buttercream Frosting Kelly Green Icing Color, 1 oz. Kelly Green Icing Color, 1 oz. Ivory Icing Color, 1 oz. Ivory Icing Color, 1 oz. Teal Icing Color, 1 oz. Teal Icing Color, 1 oz. Rose Icing Color, 1 oz. - Pink Food Coloring Rose Icing Color, 1 oz. - Pink Food Coloring Violet Icing Color, 1 oz. Gel Food Coloring Violet Icing Color, 1 oz. Gel Food Coloring Sky Blue Icing Color, 1 oz. Sky Blue Icing Color, 1 oz. Tools Performance Aluminum Round Cake Pan, 6-Inch Performance Aluminum Round Cake Pan, 6-Inch Round Chrome-Plated Cooling Rack 6-Inch Round Cake Boards, 10-Count 6-Inch Round Cake Boards, 10-Count Icing Spatula, 13-Inch, Angled Cake Spatula Icing Spatula, 13-Inch, Angled Cake Spatula Musical Scale Tip 134 12-Inch Disposable Decorating Bags, 12-Count 12-Inch Disposable Decorating Bags, 12-Count Instructions Click to mark complete - NEEDED: See the Supply List for items you can purchase here, plus our Buttercream Icing recipe. You will also need: Your favorite cake recipe or mix (4-1/2 cups batter needed)3 small mixing bowlsCake base or turntable, 4 inches x at least 2 inches - Bake and cool cakes. Use your favorite cake recipe or mix to make 4-1/2 cups of batter. Bake and cool two 2-inch cake layers for a 4-inch high cake. - Make and tint icing. Prepare buttercream icing following recipe directions. Reserve 3/4 cup icing. With remaining icing, fill, stack and ice cake smooth. Use tip of spatula to ice swirl on top of cake, starting at center and moving outward towards edge of cake.Divide reserved 3/4 cup icing equally among three bowls. Tint icing green, blue (combining Teal and Sky Blue) and purple (combining Violet, Rose, and Ivory). - Decorate cake. Place cake on cake circle and elevate on base.Prepare decorating bag with tip 134. Add three tinted icings to bag in small amounts, marbleizing colors.Hold bag so tip is in vertical position. Pipe one section of five dots at top of cake. Turn bag 180 degrees; pipe another section of five dots underneath the first. Turn bag 180 degrees again; pipe another section of five dots underneath the second. Continue piping rows of vertical dots, alternating between two positions, around entire cake.