We bought a non-expiration 10 day park hopper (used only 2 days on that visit) for our dd last May and bought 5 day non-expiring park hoppers for us this past Feb, which we haven't used yet! We are going back to WDW this fall & she has recently decided that she LIKES water parks. Can we still add the Water Park options and More to the passes we already have. I know we'd have to pay for a 10 day pass addition for her if we decided on that.