Feature:_x000D_ _x000D_ The skull model itself is based on a three-piece skull, a life-size skull model made of plastic. _x000D_ Unique is that the skull does not have much visible external hardware to fix. _x000D_ The detachable skull is firmly secured by a pair of magnets and a series of small nails, which facilitates a great deal of uninterrupted research on the skull. _x000D_ The mandible is fixed with high quality spring, which can make the jaw move naturally. _x000D_ The skeletal structure of the skull can be identified by the attached color recognition card. _x000D_ Each pair of bones and skeletons is painted with a unique bright color and can be quickly identified by using cards. _x000D_ Paired skeletons (such as parietal bones) are recognized as a single color, making it easier to locate in operation. _x000D_ _x000D_ Specification:_x000D_ Material: Plastic_x000D_ Weight: 943g / 33.2oz_x000D_ Product dimension: 8*7*5in_x000D_ _x000D_ Package list:_x000D_ 1 * Human Skull Model_x000D_ 1 * Skull Model Identification card_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.