11am-noon, Avalon Free Public Library, avalonfreelibrary.org

Drop off any gently used jigsaw puzzles at the library from Oct. 1-16 to receive a ticket. On Oct. 17, head to the library to exchange your ticket for the same number of new-to-you puzzles. Puzzles must be in their original box and include all pieces. Patrons are limited to 10 puzzle drop-offs per person. Bring additional puzzles to exchange on the day of the event.