Where do I go to gain entry with my Merlin Pass? When you arrive at the LEGOLAND Discovery Centre, please join the 'Pre-booked Tickets' queue line to gain entry. Related articles How do I book a time slot with my Merlin Pass? How can I get to Legoland Discovery Centre Manchester by car? Where can I find more information about Merlin Annual Pass? What's inside the LEGO Ninjago City Adventure?