How do I book a time slot with my Merlin Pass? Please remember it is now essential for all guests to pre-book a time slot for your visit, including for Merlin Passes - All visits can be booked or reserved here. Related articles Why do I have to book into a time slot? I would like to cancel my booking. How do I purchase Merlin Pass Friends and Family tickets for LEGOLAND Discovery Centre Manchester? How do I contact you with a guest enquiry? Do you have photo opportunities at LEGOLAND Discovery Centre Manchester?