Great little cat tree! I was very excited to open this up and get it built. It is a little less sturdy than I was expecting, but if you put it against a wall it is okay. The IQ game for the cats is cute, but my cat is too smart and she figured it out right away! All in all both of my cats seem to really like it and are already using the scratch posts. 
Pros: Fast Shipping, Lots of scratching material
Cons: less sturdy than imagined/other reviews have said. A little bit flimsy!