Youth Vertebral Column is a true-to-life model of a 5-year-old child's vertebral column. Flexible vertebral column includes occipital plate, pelvis and sacrococcyx. Within the spinal canal, the spinal cord with cauda equina and exiting nerve roots are represented in flexible material. 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.