How long does the LEGO Factory Tour last? The LEGO Factory Tour is self guided and each guest can spend as long, or little, as they like in the Factory area. Related articles What is the LEGO Factory tour? Do I have to do the LEGO Factory Tour? What is an Individual Admission Ticket? Do I get a discount on LEGO® products if I have a LEGOLAND® Discovery Centre Annual Pass? Is LEGOLAND Discovery Center Dallas Fort Worth suitable for adults?