Unused item, but one female screw is missing. Please check the images. 45cm Human Spine with Pelvis Model for School Anatomy Medical Study Kit - Colored Extremely Flexible Model - Detailed description of all the main features of each vertebra, including the spine, nerve roots, vertebral arteries, intervertebral discs, transverse processes of the vertebrae and transverse sections of the spine, and the femur. To show correct and incorrect posture, as well as pathological imbalances. Color-coded areas for learning. Life-size spine model - suitable for school teaching tools, learning displays, and collectibles. Also ideal for experimental supplies. Material: PVC #HeavyShop