Proportion of the human body, product fity, high precision, and manual assembly The materials are soft and meticulous in work, clearly showing every detail of the human bones. The ideal teaching model for medicine is also a rational model for orthopedics and other companies in health care. True bone texture with the same weight and feel as the real bones Each suture, hole and groove are visible, allowing study of internal and external structures. The skeleton is fully articulated and replicates all natural movements at the joint.