Where can I find information on Merlin Passes? Please visit the Merlin Pass Website at www.merlinannualpass.co.uk Buy Tickets Related articles Do I need to pre-book to visit Madame Tussauds London with my Merlin Pass? Are there restrictions for using a Merlin Pass at Madame Tussauds London? Can I take food and drink into Madame Tussauds? I’ve already used my pre-book allocation but would like to book for Summer instead, can I cancel? How do I redeem my Merlin Annual Pass Share the Fun vouchers?