This 500-piece jigsaw puzzle features a tribute performance of Michael Jackson during the 9/11 tragedy in 2010. The puzzle is made of cardboard and has interlocking pieces for easy assembly. It is a smoke-free household and comes complete with all pieces. The puzzle is produced by Triumph Bravado Bepuzzled and is a contemporary puzzle in the Art theme. It is designed for fans of Michael Jackson and collectors of unique items. The puzzle is made in the United States and is suitable for anyone who enjoys a challenging puzzle.