What size bags can I bring into the Park? The accepted bag size into the Park is 24"L x 15"W x 18"H. Was this article helpful? Related articles Can my bag or cooler be wheeled through the Park? Can I bring multiple bags into the Park? Do I need a separate ticket for the Water Playground at LEGOLAND New York Resort? Can I take pictures at LEGOLAND New York Resort? What are the average waiting times for the rides/attractions?