Cobble Hill-Jigsaw Puzzle: Hardy Boys. Each and every puzzle from Cobble Hill is crafted to our museum-quality standards using the finest inks and varnishes. Cobble Hill puzzles feature linen textured paper, premium grade blue board and 100% recycled chipboard. The pieces are randomly shaped, which means these puzzles are more interesting to assemble because no two pieces are alike. This 10x14x2-1/4 inch package contains one 1000 piece puzzle. Finished Size: 19-1/4x26-5/8 inches. Made in USA.