This cat tree is much sturdier than any of the ones at petsmart. It was extremely easy to put together and it is very well made. My cat fell in love with this immediately. He's a pretty big cat and weighs over 15lbs and he can get on the very top without this wobbling at all. This is the first cat tree where I'm not concerned that it will tip over.  

Pros: Great price, very well made, easy to put together 
Cons: No color options