The Axis Scientific 3-Part Life-Size Didactic Human Skull Model is an anatomically accurate replica of the skull. Cast from a real human specimen this model is the perfect color-coded tool to gain a deeper understanding of the skull s anatomy. The removable calvarium (skull cap) provides a full view of the skull’s internal features while the articulating mandible (jaw) offers a demonstration of its natural movements. Included with this didactic skull model is a highly detailed product manual that lists the 14 anatomical parts.