This cat tree is awesome!!! If you sort the materials first and follow the instructions, assembly is easy. Note: You may need a tape measure to be certain that you have the correct pieces for each step. The two baskets, two hammocks, multiple sizeable platforms, and kitty condos provide an assortment of options for kitties with different preferences. We had a three tiered model with three condos and three baskets that we were replacing. My cats loved the baskets, so I made sure to purchase a model with a couple. They love the baskets, hammocks, and platforms on this one! My cats were kittens when we purchased the previous tree. This tree is much better for our now larger adult cats (13, 15, and 18+ pounds). This tree also seems much sturdier than the tree we were replacing. It has a heavier double base the  supports the tree well. I highly recommend this cat tree for anyone with cats or kittens!!!