Students and patients can easily learn about the anatomy of the spinal column with this set of three flexible spinal models. The Cervical Model includes the seven cervical vertebrae and the occipital bone with intervertebral discs, nerve endings, and arteria vertebralis. The Thoracic Model includes the 12 thoracic vertebrae, intervertebral discs, and nerve branches. The Lumbar Model includes the five lumbar vertebrae, sacrum with flap and coccyx, intervertebral discs, and nerve endings. Each comes mounted on a stand. The Thoracic and Lumbar Models are both 13" tall, and the Cervical Model is 7½" tall.