Unused tickets expire at the end of the following calendar year; those purchased in 2020 will be good through the end of 2021, for instance. However, these tickets will expire 14 days after they are first used, so be sure to use all the days purchased prior to that. While these offers are genuine, nightwing costume there is often a catch. They are $62 ($56 for ages 3-9), and you can freely hop between both water parks (if they’re both open) for no additional charge.