Yeah, 20 dollars a person
The store is free, and the Discovery Center is paid per person. Also should be noted that children must accompany an adult. There are special events for adults, but most hours of operation adults aren't allowed in without a child.
They won't charge you to shop in the storefront but they will charge you an admission to walk through Legoland because there is some rides and activities for the children.
Yes. The store is free to enter.
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