White Mountain Puzzles Shells of our Shores - 1000 Piece Jigsaw Puzzle A seashells jigsaw puzzle is great for shell collectors who are also puzzlers. Lewis Johnson's versatile abilities and experience as a professional illustrator / designer coupled with passionate attention to detail, color and design are key ingredients he puts into each and every puzzle he creates. Every White Mountain Puzzle is proudly manufactured in America with a 100% customer satisfaction guarantee. All our puzzles contain unique interlocking pieces that are made of sturdy blue chipboard on recycled paper. 1000 piece puzzles measure 24x30 - larger pieces for easy handling