I have purchased a Melbourne Big Ticket - How far is LEGOLAND Discovery Centre Melbourne from SEA LIFE Melbourne? LEGOLAND Discovery Centre Melbourne is located inside Chadstone shopping centre - approximately 17km away. Related articles Do I have to visit LEGOLAND Discovery Centre Melbourne on the same day if I've purchased a Melbourne Big Ticket? What is a Melbourne Big Ticket? Why do I have to book into a time slot? Do you offer Gift Vouchers? What age is classed as a child for a Melbourne Big Ticket?