My son and I found this playpen to be very enjoyable. The set up was very easy and was done in several minutes. The sides slid into one another. My almost 2 year old son was not able to get the sides apart and break out. The plastic sides were good quality. They were thick enough plastic without being overly heavy. There is a door with a lock. My son was unable to get out of the door when he tried. When I opened the door to let him out, he wanted to get his sister or me and bring us into the play pen. There is a basketball hoop in the playpen that you screw on by a twist of a cap. It is on pretty sturdy although the hoop itself is bendable. This was a very enjoyable activity for my son. The sides do not have to be installed at a right angle. They hold in place a couple of different angle in between. There are suction cups on the bottom of the fencing to stick to laminate or hardwood floors. I had it on carpet, so I am unsure if that works. Overall this is a good product. When it got put away in order to vacuum the floor, my son cried.