Decorate cake. Using teal icing, level and ice 6 in. cake smooth on 6 in. cake circle. Using yellow icing, level and ice 8 in. cake smooth on foil-covered 10 in. cake circle.
Prepare cakes for stacked construction.
Prepare decorating bag with tip 4 and reserved white icing. Pipe beads and dots on front of cakes to form desired pattern.