How do I book a time slot with my Merlin Annual Pass? 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. Do I need to book? Can I upgrade my ticket/LEGOLAND Discovery Center Westchester Annual Pass to a Merlin Annual Pass? Do you have lockers? Are there any restriction dates for using my Merlin Annual Pass at LEGOLAND® Discovery Center Westchester? How long is the birthday package experience?
