You have little kids - if at all possible, stay at one of the park hotels. They not only complement the whole theme experience, but if someone gets tired or sick, you don't have to find your car to leave the park, drive through traffic, etc. etc.

Not having to get in the car for a few days is a nice break. And you can come and go as you wish. Check the hotels for package deals.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma