Here is the finished product. It turned out great, and Emily really likes her "princess tower".
We picked up cousins Christopher & Meghan and took them all to a great park. They have a bran new baby sister so we figured they could use some play time outside. That, and Emily LOVES them so much, they all provide great entertainment for each other.
When it was all said and done we dropped the cousins off back home and took Emily back to her parents, who were very excited to see her. Now Jonathan and I are going to enjoy our last few months of having a quiet house.