I'm an Annual Pass Holder. Do I need to book? No need to book, just turn up and head to the pre-booked tickets entrance on the day of your visit. Related articles I'm an Annual Pass Holder and I'm bringing a non-pass holder. Do they need to buy a ticket? Can I upgrade my ticket/LEGOLAND Discovery Center Boston Annual Pass to a Merlin Annual Pass? What if I misplace my belongings at LEGOLAND Discovery Center Boston?