The Heart jigsaw puzzle, 1000 pieces. The heart is the engine that brings blood and air everywhere in our body. Learn about this fantastic machine with this jigsaw puzzle, 1000 pieces. Features: 1000 pieces, Dimension: 19.25 x 26.5 inches, Superior - quality piece by piece, Perfect and easy - fit puzzle pieces, Strong high - quality unbreakable puzzle pieces, Made from recycled board, Image printed on recycled paper, Ink is vegetable based. This superior quality puzzle will delight and educate all at the same time.