Didactic Human Skull: This 3-piece life size human skull is cast from a natural specimen. The removable calvarium is held securely in place with magnets and small pegs and the mandible is held in place with high quality springs, allowing natural jaw movements and uninterrupted skull study. Anatomically Accurate: Our didactic skull model was developed by medical professionals for the study of the skeletal structure of the skull. This anatomy and physiology model is perfect for the classroom where a real human skull model helps with studies. High Quality and Realistic: The bony structures of the skull are identifiable in this colorful skull model with the use of the included colorful key card. Each bone and bony pair are painted a unique bright color for quick identification using the card. Detailed User Guide: Includes a full-color detailed product manual to learn about and deepen knowledge of the bones of the facial and cranial structure. All Axis Scientific product manuals use real photographs of the model, not just a plain list of the parts and numbers. Anatomy Model Experts: All we do is anatomy. Axis Scientific designs all anatomy models in collaboration with medical professionals ensuring the highest quality anatomical replicas. Item Weight 2.4 pounds Manufacturer Axis Scientific Item model number A-104271 Product Dimensions 8 x 5 x 7 inches Is Discontinued By Manufacturer No