Do you sell this cake? No, just for fun Share a little about the materials, processes, and techniques used to create this cake Butter cream used to ice and make the fluffy clouds right on the cake. All balloons were stamped using gum paste and then hand colored with a brush using spray food coloring and/or food color markers. Each balloon is different and has a name on it for the Birthday people. Wilton Sugar sheets were used to make the ribbon border around the bottom of the 2 tiers.