Maybe try making it as if you are doing a teir cake ... with dowels
These directions call for icecream cones to stack the slide.
http://www.google.ca/imgres?imgurl=http://members.nuvox.net/~zt.proicer/cakepict/water-park.jpg&imgrefurl=http://members.nuvox.net/~zt.proicer/cakepict/water-park.htm&usg=__FLFAgbt83OdKzHiWpRGFeGBWwOM=&h=400&w=320&sz=29&hl=en&start=7&um=1&itbs=1&tbnid=5RICM7awyDWYpM:&tbnh=124&tbnw=99&prev=/images%3Fq%3Dwaterslide%2Bcake%26um%3D1%26hl%3Den%26rls%3Dcom.microsoft:en-US%26tbs%3Disch:1
I'm all about using tasty food for all edible cakes! Please post a pic when you are done!
Quote by @%username% on %date%
%body%