This specimen was cast from a real human fetal skull. Estimated to be 30 weeks old, this skull exhibits characteristics of prenatal development. This specimen is an excellent aide when studying human fetal osteological development.nnSpecifications:nn1:1 scalenPolyurethane resin castn1-part skull (jaw glued to cranium)nnSkull Length 8.9 cm (3.5 in.)nnSkull Width 6.4 cm (2.5 in.)nnSkull Height 6.4 cm (2.5 in.)nnProduct of Bone Clones