The 66fit Unisex Torso has 23 parts and features an exposed spine with removable vertebra and spinal cord segments. Mounted on a plastic base.FeaturesMaterial: Washable PVCHeight: 45cmWeight: 3.5kg23 PartsDescriptionDissectible into 23 parts: Torso, female breast plate, head, eyeball, brain, vertebra spinal nerves, lung (2 parts), heart (2 parts), liver, kidney, stomach (2 parts), intestines (4 parts), male genitalia (2 parts), female genitalia with fetus in the womb (3 parts).