We actually leave in the morning...driving from Va

My DS 4 likes to write the princesses letters so when she kept asking when are we going I said well maybe write and see when there will be the hotel room you like available( royal room at POR). So she did so about a week ago and checks each day for a response! We decided to get a cute disney suitcase and balloons and filled the case with fun car activities, new disney DVD's and a few small toys. We wrote a response letter from cinderella inviting her to disney (stamp and all so it looks legitimate lol) and she still "believes" so it's a bit more magical this way! While we eating breakfast our neighbor is going to set the case by the door and ring the doorbell like the postman just dropped it off! Then they can throw a few "special" things in and off we go!
But like others have said....YOU know your kiddos so either way it's going to be an awesome surprise!