Didactic Flexible Spine Model. The 5 different sections of the spinal column are differentiated by color on this human spine model. The features on this didactic flexible spine are: 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, Sacrum, Coccyx. Use this spinal column replica for simplified patient education or for anatomy lessons in a classroom environment where the didactic colors help to immediately track the explanation about the human spine, even from a distance. This Didactic Flexible Spine Model is not only an extremely good value but it is also a durable spine of high quality. Other great features of this spine are: full pelvis and occipital plate, fully flexible mounting throughout spine, L3-L4 disc prolapsed on spine, spinal nerve exits, cervical vertebral artery, male pelvis. Stand is not included with didactic flexible spine. NEW and exclusively with original 3B Scientific anatomy models - now enhanced with 3B Smart Anatomy. Your advantages with all 3B Smart Anatomy models: Free warranty extension from 3 to 5 years, free access to 3B Smart Anatomy courses in the award-winning Complete Anatomy app, this includes 11 3B Smart Anatomy courses with 23 lectures and 117 different views of interactive virtual models, plus 39 quizzes. To unlock these benefits, simply scan the label and register your 3B Smart Anatomy model online. All 3B Smart Anatomy features are completely free of charge. "Virtual meets Reality" developed by 3B Scientific makes learning human anatomy even more effective across all media.