Ingredients Favorite cupcake mix or recipe Buttercream Frosting Buttercream Frosting Pink Icing Color Ivory Icing Color Pink Icing Color, 1 oz. Pink Icing Color, 1 oz. Ivory Icing Color, 1 oz. Ivory Icing Color, 1 oz. Tools Black, Silver and White Cupcake Liners, 75-Count 12-cup Standard Muffin Pan food-safe scissors 12 in. Disposable Decorating Bags Round Cake Decorating Tip 12 Round Cake Decorating Tip 12 12-Inch Disposable Cake Decorating and Pastry Bags, 100-Count 12-Inch Disposable Cake Decorating and Pastry Bags, 100-Count Rainbow Cupcake Liners, 150-Count Rainbow Cupcake Liners, 150-Count Add Selected to Bag Select All Instructions Click to mark complete - Make cupcakes. Prepare batter following recipe directions. Bake and cool cupcakes. - Decorate cupcakes. Prepare buttercream icing following recipe directions. Tint a light pink. Use tip 12, a cut disposable decorating bag and light pink icing to pipe brains on top of cupcakes using a zigzag-like motion.