Pictures of Cakes Including This Coke Cake
Ice the cake in white icing making the surface nice and
smooth using your cake spatula.
Make a small amount of red icing and use round tip, size #5 and write the birthday message on the top of the cake.
I found a pop bottle case at the craft store in the miniature section and placed this on the top of the cake. I then made copies of a pop bottle picture and laminated them on both sides and cut them out. I used a little bit of white icing to stick them on the sides of the cake.
This could work for any theme cake that you want to make.