 including Riverwalk Mini Golf. Also, be sure to ask the kid-trepreneur how to vote in our Best Tasting and Best Stand contest where they could win $500. WDEL will be out in about two, so join in on the fun. Stand operating hours vary. Lemonade Day Wilmington is sponsored in part by Elora Bath & Kitchen and Urban Air Christiana. Who's ready for some lemonade? This is a test of the Emergency Alert System.