I think Addison is much more intrigued by I than I is with her. She always spends the first part of the play date just watching I's every move.
This week they came over to our house (our houses are next door, literally). I is moving like crazy, crawling and pulling up so Addison spends a lot of the time watching her since she is not moving yet.
They both kept copying one another, it was really funny. One would get a toy and the other would want the same toy or one would make a certain sound and the other would copy her. It is really neat to see two babies around the same age and developmental levels interact.
Addison is a little more vocal than I and I is defiantly more mobile that Addison, we are hoping they will teach each other the things they are good at. It's great being able to let them play even though we are both stay at home moms. I think it is very important that Addison get out and see other babies her age.