A 50-piece, life-size human body puzzle. Measuring 100cm, first complete the jigsaw puzzle body then position bones, muscles and other organs. Includes additional pieces: 1 brain, 1 lung, 1 heart, 1 small intestine, 1 bladder, 1 kidney, 1 bicep muscle, 1 calf muscle, 1 humerus bone and 1 femur bone. Also features a large double-sided poster with fun facts. Age 4+