White Mountain Puzzles Lose Your Marbles - 1000 Piece Jigsaw Puzzle Here's a mesmerizing 1000 piece jigsaw you just might lose your marbles trying to put together. Artist Carole Gordon is a Best-Selling Photographer/Collage Artist who licenses images to manufactures worldwide. 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