The Brick Store Museum houses the largest collection of World War I and II posters in all of Maine. There are more than 70,000 items in the museum's collections, dating from the region's earliest settlements to the present day. These collection highlights include many different mediums including artifacts and papers pertaining to the maritime heritage of the Kennebunks, items from the estates of renowned authors, Kenneth Roberts and Booth Tarkington Paintings by Thomas Badger, and much more. Extensive primary source materials in the museum range from diaries and family papers to commercial records, maps and architectural drawings to attract visitors of all ages. The museum also has over 3,000 historical photographs and vintage postcards, plus indexes for Kennebunk-built ships, local history subjects and genealogical collections.