He loves it
I'm glad I bought this, I've been wanting to get my George one of these since he was a kitten but had lots of doubts about safety issues and whether such a large expenditure would be sensible if it turned out he didn't use/like it. My boy is 5ys old and weighs 5.5kg and is an indoor cat never ever straying further than front or back garden so he needs lots of things to keep him amused and exercised indoors. My 4yr old chihuahua helps out with the latter but sometimes George just wants to be left alone, this is perfect, he absolutely loves it. With 4 places to sleep, you could definitely use it for more than one cat provided they are about the same weight as mine, not sure it would be safe if they were huge cats though. I'm planning to buy two kittens at some stage so this tree house will suit fine for all 3 of them. I've turned it into a complete play centre by adding a roller ball circle at ground level, lots of dangly cat things, a springy thing a bit like a tightly coiled springy door stop and balls and mice filled with catnip in all the 'beds'. It's sturdy and seems to be well made and if I had any moans, it would be that none of the parts were packed in cellophane or plastic so what should be a nice clean white is actually a dusty grey looking white so I'm a bit peeved because most of it can't be washed and it would have been such a simple and inexpensive thing for the makers to do, hence only 4 stars. I'm hanging on to the instructions in case I decide to re-cover the whole thing with a different colour faux fur and need to dismantle it again. All-in-all, it's well worth the price, just think carefully about the colour white, especially if you have an outdoor cat.