The bottom is one 9" round and two 8" rounds with dowels through them and a separator circle on top. The Ariel is a regular size doll stuck through a cake from the Wilton Wonder Mold. The frosting is all buttercream.

I followed the picture of this one from Kitagrl (http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=371043)