The Human Body Heavy Model 1300 is a simple brain model that allows you to experience the average brain weight of a person that was not in the market due to the difficulty of production. By minimizing 3 breakdown of the brain decomposes, we have made this model safe without protrusion pins in assembly. It depicts blood vessels and anatomy diagrams of the small brain section. You can experience the burden on your daily life and cervical vertebrae, and you can feel the brain atrophy due to Alzheimers disease.