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 Do I have to do the LEGO Factory Tour? What is the LEGO Factory tour? Do I get a discount on LEGO® products if I have a LEGOLAND® Discovery Centre Annual Pass? Do you offer a senior citizen rate? What is an Individual Admission Ticket?