How do I use a standard combination ticket at LEGOLAND Discovery Center? When you arrive, hop in the "I have tickets" line and present your order confirmation number to the admissions associate. Related articles If I buy a combo ticket, do I have to visit SEA LIFE on the same day? What is the Combo Experience Ticket? Do I have to visit both attractions on the same day? What is a standard combination ticket? Can I use my coupon in conjunction with a combination ticket?