This Michigan Our State Rocks puzzle has a piece from almost all of the jigsaw puzzles that Puzzles That Rock makes features in the photo that makes of the mitten state surrounded by Petoskey stones, our Michigan state rock. This 550 piece puzzle is frame worthy! Made with soy based inks. Finished dimensions: 18" x 24". Puzzles That Rock is a Michigan family owned company started in Charlevoix, MI. Made in the USA.