What are the Terms and Conditions for Tickets and Entry at LEGOLAND® Discovery Center Philadelphia? All ticket purchases are final - NO EXCHANGES OR REFUNDS. To view our full T&C's please follow the link HERE. Related articles Can I cancel my booking? Can I take food or drink into LEGOLAND Discovery Center Philadelphia? Do you have a re-entry policy? What identification is accepted when collecting tickets? Do you offer a family discount on tickets?