5 Times Enlarged Human Backbone Anatomical Model with Spine Nerve Spinal Cord with Nerve Branches Medical AidsPackage includes: 1 piece of Human Backbone Anatomical Model The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. This model consists of two parts: the three dimensional model of the spinal cord and the planar model of the spinal cord. It shows the three dimensional morphology of the spinal cord and spinal nerves