We always leave the park and come back in they give you a hand stamp when you leave
We always bring snacks and drinks in with us, never been an issue.
Not allowed to bring food but depending on your pass you can leave and comeback no problem. But unless you have the park hoper pass you cant leave one park and go to another park you have to return to the original park.
Bring food im not sure. Small snacks yes. Yiu can leave but parking lots are HUGE! Even with tram it takes a while.
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