Absolutely you can pay @ the door. A four yr. old shouldn't be a problem. My 2 yr. old neice went and had a ball!
Yes, I walked through the doors Saturday, June 23 for the 25 minute flight package for 3 with no appointment and they were fantastic from start to finish and the pilot is amazing and really goes out of his way if you have a camera for taking all the great shots.
Yes, coincidentally I went last month and my husband, my 4 year old daughter and I traveled together without an appointment and had a spectacular time
Yes you can
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