So far, our 3-year old cat is not interested in scratching on the ramp. I like how well constructed and clean it is, and easy to move from place to place. Customer support is easy to communicate with; I used the chat feature, expressing my concern that our cat would not use the ramp after a week of having it out in our main living areas. I was advised to give her more time and space, and that some cats need to discover it on their own. We have gotten her to play on it a little, take treats while...