How to visit Disney's Theme Parks, Magic Kingdom. While it is true, that Disney’s Fast Passes (FP) make long lines at the Magic Kingdom a blessed artifact, there are still a few exceptions to this rule. The FP must be used wisely; only one per hour, and they run out by the end of the day. The park is mammoth and there is much to see, so your day at Disney requires careful planning in advance. The Disney with Kids books are invaluable, with tips on everything to get you through the day -- go get one.