Founded in 1978, White Mountain Puzzles has grown into one of the top puzzle brands in the United States. All of their puzzles are interlocking and made of sturdy blue chipboard on recycled paper. Their 1000 piece puzzles are the largest in the industry, measuring 24” x 30”. They offer a large variety of jigsaw puzzles including Peaceful Scenes, National Parks, Pop Culture, Nostalgic / Vintage, Famous Places, Beach, Historical, Sports, Bird, Animals, Automobile, Christmas, and many more.