Our family has four cats who last year practically destroyed our traditional Christmas Tree and ornaments. This year I wanted to create something they couldn't ruin, and actually might enjoy climbing in! I first went to Michaels and created a "tree" with 11 large unfinished crates and twin smaller ones on top. I used 5 for the base, 4 for the second layer, 2 for the third tier, and the two smaller ones on top. I found a coupon online so it wasn't as pricy as I thought it would be.…