Birthday Club: 50% off entry for 3 friends
At Merlin Entertainments
Merlin Annual Passholders can use promo code BIRTHDAYCLUB to bring up to 3 friends for 50% off single general admission at Merlin's Australian attractions — SEA LIFE Sydney Aquarium, WILD LIFE Sydney Zoo, Madame Tussauds Sydney, Sydney Tower Eye, SEA LIFE Melbourne Aquarium, LEGOLAND Discovery Centre Melbourne and SEA LIFE Sunshine Coast.
Conditions: Requires a valid Merlin Annual Pass, which must be presented on arrival. Redeemable online from 7 days before to 7 days after the passholder's birthday, and can be used multiple times in that window. Valid for general admission tickets only; pre-booking required for all guests. Exclusion periods apply to Gold Pass holders. Proof of date of birth may be required. Cannot be combined with other promotions. Children under 2 enter free.