Thank you amyvanderhaag for the GREAT inspiration. I LOVE CC! The bottom layers are made of chocolate cake and buttercream. The tower is made from RKT, a plastic cup, and the top of a 20 oz plastic bottle all covered in buttercream. I had the 8" cake on a board with plastic supports in it to hold the tower. While I was putting it together at the birthday party, but husband suggests I put wooden dowels in the tower to go in the plastic supports so it's sturdier. Now he tells me! It was okay when I left. Hopefully it didn't fall.