the toppling over , reminded me of once when I was babysitting my then 8 month old nephew...he crawled to where his highchair was, in the living room, I had put him there to eat so auntie could watch tv while she fed him!!(lazy aunt) later he was crawling around and tried to use that to pul himself up! I was sitting right there next to it and thank god I saw it from the corner of my eye and grabbed it!whew

my cat cookie, the day we got her or the day after, she was just 10 weeks old, and had been spayed a week or 2 before, already! she climbed that 6ft tower like it was nothing! then she would just jump straight down, no stepping on lower levels for her! anyway, it caused her to have a flabby tummy when she grew older, that would shake when she ran! it was really funny to watch!

I am going to weight the tower down today..