What time is your retail shop open? The LEGOLAND® Discovery Center Shop hours are the same as Grapevine Mills Mall hours. Opening Hours! Related articles I have not received my ticket email confirmation, what should I do? My coupon says I can use it online, where do I enter my promotional code? How long does it take to go around LEGOLAND Discovery Center Dallas Fort Worth? What is the difference between a LEGOLAND Theme Park and Discovery Center?