It's best if you get the year pass. It's $50 for one kid and their parents or grandparents. A babysitter can even take the kids. Otherwise it's $7 each time and you have to pay for the adults if you don't have a year pass.
Children under 1 are free, ages 1-12 are $7, and ages 13+ are $5. If you live close and can go often I would do a yearly membership. With that you can have 2 adults and the member child get in with it. It's$50 for one child, $80 for 2, and $100 for 3.
$5 for over 12, $7 under 13
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