What is the maximum number of guest per carriage? 5 guests per ride vehicle - maximum 3 guests in front (max. 1 adult) and 2 guests in rear. Related articles What are the Terms and Conditions for Tickets and Entry at LEGOLAND® Discovery Center Philadelphia? Can I cancel my booking? Are there any restriction dates for using my LEGOLAND Gold Pass at LEGOLAND® Discovery Center Philadelphia? What is included in the birthday party?