Co-founder of store that sold ‘Big’ keyboard lists Sag Harbor home

One of the co-founders of the retail chain that sold the giant keyboard that appeared in the movie “Big” has put her Sag Harbor home on the market, the New York Post reported. Phyllis Prinz, the conceptual artist and entrepreneur who co-founded the Think Big! chain along with artist Bob Malkin, is seeking $2.1 million for the 3,456-square-foot, four-bedroom home. Amenities include an artist’s studio and a triangular pool. Douglas Elliman’s Barbara Lobosco and Lynda Sylvester have the listing. [NYPost]