Thoracic section spinal column model is flexibly mounted on a base. Section includes 12 thoracic vertebrae with discs, thoracic nerves and spinal cord. Now included with all 3B Scientific Anatomy models is the 3B Smart Anatomy app. This app allows users to register their 3B item to extend the warranty from 3 to 5 years plus free 1 year access to the 3B Smart Anatomy app which includes 23 Anatomy lectures, 117 interactive models and 39 quizzes.