A puppy pen

I was searching google and came across this cool looking puppy pen. I wonder how much it is to make. It would be cool to have it enclose the area where you want to grow special plants too! You know, keep the puppy out of the plants type barrier.
I may price the pieces and see if it is worth the trouble.
If I attached some chicken wire to the sides I might even be able to make a play area for the bunny this summer.
http://www.terragethen.com/puppen.html