I built it at my school and they supply at the matierials and tools in my woodshop class. But i think it took 1 or 1 and a half sheets of 4x8 plywood to make. which are 30-40 bucks a piece i think?
$13-20 a sheet. Depending on what kinda grade you get. I was able to build mine out of the really cheap stuff by giving the shevles a frame and some glue to prevent warp. You can check mine out under the DIY forum, titled "The Anti-Melamine Rack"
Everyday I wake up and check "The Forbes List"...If I'm not on there, I go to work.