There are a lot of Klondike Derby sled plans available on the Internet. Here's a quick Google search for images:
http://images.google.com/images?q=%22klondike+derby%22+sled+plans&btnG=Search+Images&svnum=10&um=1&hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial