Will really likes buses right now. Ever since his first bus ride, he has been very aware of buses, or any large vehicles, and gets very excited when we see one. Sometimes we'll be driving, and he'll suddenly start shouting "wow! A BUH!" and will continue to do so until we acknowledge the nearest bus-like large vehicle. Even when we were watching planes at the airport, Will would get equally excited if he saw a bus driving by outside. And the shuttle from the parking lot to the airport (which was on a bus!) was just as fun as the plane rides.
So you can imagine the potential for fun when we arrived at Grandma & Grandpa's last thursday and found out that my dad's pet project, his 1970s-era Argosy mobile home, was parked in the driveway. Will was too tired to notice it when we got home that late, but we started talking it up as soon as he started venturing out of the shark tent on Friday. I don't think he quite believed us that there was a bus outside so he resisted for awhile, but as soon as we finally got him to go out, immediate excitement.
He spent quite a bit of happy time "driving" the bus and running back and forth inside it with Grandpa and AJ. Eventually I got too warm and needed to go inside to get ready to meet some friends, but Will made it clear he wasn't going to be done with this experience any time soon. So Grandpa and AJ stayed so the fun could go on for awhile after I went inside with the camera.