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					Originally Posted by teacup0819  I actually thought about ordering either another pen or the extension kit...but figured that I would wait until it got here and I can see how big it is.  BTW, the shipping to my house was only .97 so I had it shipped home.  Thanks again for all your help. 
The metal ones look great and not easy to climb, but I have wood floors and I am afraid it will scratch them.    | 
 
  It will scratch them if you get the standard metal. The plastic ones fall aren't as sturdy. The seabreeze is your best bet for overcoming that problem. 
SeaBreeze Petite Pens - A lightweight solution to heavy exercise pens They are great.