Do parents have to buy tickets? Yes, everyone three-years old and older needs to purchase a ticket to enter. Related articles Can adults visit LEGOLAND Discovery Dallas Fort Worth without children? How old is a child ticket for entry? If I have purchased tickets for someone else, how do they collect their tickets? Is LEGOLAND Discovery Center Dallas Fort Worth suitable for adults? What is the recommended age for a birthday party at LEGOLAND® Discovery Center Dallas Fort Worth?