I have been planning this little birthday surprise for a month! The kids had no idea we were going. I took them out of school early on Thursday and I told them we had to take something to their Dad's work and then we were going to take him out to lunch for his birthday. As I got closer to Great Wolf Lodge in Grapevine, the kids started saying they wanted to go their some time. So I whipped into the parking lot and said "SURPRISE!" We stayed Thursday, Friday and went home Saturday afternoon. We had a great time!