What is inside Duplo Park? Little builders can let their imaginations loose in our DUPLO Park! Take part in our slide, soft brick and bubble machine! Related articles What age is this area suitable for? Up to what age is the Toddler Times ticket valid? What's inside LEGOLAND Discovery Center Philadelphia? Can I bring my own food and drink? What are the Terms and Conditions for Tickets and Entry at LEGOLAND® Discovery Center Philadelphia?