Take a peek under the skin! Using the photo-illustrated instructions, students assemble this realistic, 31-piece model and gain a hands-on understanding of how organs and systems interact. Features brain, skull, heart, rib cage, lungs, liver, stomach, pancreas, kidneys, intestines and spine. Includes 31-piece torso model, display stand and guide with anatomy facts. Stands 4-1/2" when assembled. Grades 3+, ages 8-11.