Most ten year olds don’t need to be measured any longer If you have kids in your party, you’ll need to know the age restrictions for tickets. Children two and under are admitted to Walt Disney World without a ticket, and they won’t need FastPass+. Children ages three through nine are eligible for a child’s ticket. All kids ten and older are considered adults. That’s because by the age of ten, there’s very little that they won’t be able to do.