White Mountain Puzzles Baseball History - 1000 Piece Jigsaw Puzzle If you've been looking for a baseball jigsaw puzzle for yourself or for your favorite baseball fan, Baseball Greats could be the ideal jigsaw. James Mellett is a Pittsburgh native and has been a freelance illustrator for almost 20 years working out of his home studio. 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