White Mountain Puzzles Endangered Species - 300 Piece Jigsaw Puzzle This 300 PIECE JIGSAW PUZZLE pictures dozens of endangered species from around the world. Puzzles by artist Ernest "Ernie" O. Brown are detailed, colorful and educational. Ernie has long been one of the premier illustrators for White Mountain Puzzles and several of his puzzles have become best-selling favorites 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. 300 piece puzzles measure 24x30 - larger pieces for easy handling