Axis Scientific 3-Part Human Skull Anatomy Model | Life Size Anatomy Skull Molded from a Real Human Skull With External and Interior Structures | Includes Detailed Product Manual | 3 Year Warranty The model is life sized, and has no external hardware, allowing for an uninterrupted study of the external structure of the skull Its removable calvarium is attached using magnets and small pegs, allowing for easy removal and secure replacement. The skull has a realistic bone texture and color with clear sutures, allowing for clear identification of the individual bones of the skull. All foramen and fossa are present. The articular disk of the temporomandibular joint is displayed, carefully cradling the mandibular condyle and allowing for the smooth articulation of the jaw. The permanent teeth are displayed, as well as an impacted wisdom tooth. Even the texture of the palatine bones is clearly visible, making this a truly deluxe skull model. Using the included study guide, one can identify the following, along with many others <ul class="a-unordered-list a-vertical"> Optic Canal Mandible Foramen Lacerum Mandibular Foramen Orbital Plates Made by Axis Scientific. Measures 8x7x5 inches. Weighs about 2 lb.