Overall skeleton. Real human body size, high degree of simulation. The overall skeleton is assembled by hand, and the product details are restored to a high degree. It is made of PVC material, which can be washed, not easily damaged, and durable. Simulate real details. This classic adult skeleton model is made from selected adult skeleton specimens in collaboration with medical school professors and materials science engineers. It has good anatomical details and scientific basis. Learning the names, shapes, and placements of 206 bones can be daunting, but fret not you scholar, this product includes a detailed anatomical chart to aid you in your studies. REVEL IN THE DETAILS: This model features an impressive amount of detail, even down to the grooves of the bones. In this set, the anatomically right hand and foot are presented fully disarticulated. The left hand and foot are jointed for your reference.