Life Size Flexible Vertebral Spine Pelvis & Femur Skeleton Model Anatomy ModelScience and biology teachers, human anatomy and physiology professors, nurses, doctors, physical therapists, physical trainers, and chiropractors all need visual aids to teach their students and patients about how the human body works and how to avoid injury to bones and joints. With this life size model of the human spine, pelvis, and femur from Randy & Travis Machinery, you'll have a teaching tool that students or patients can touch as well as see.