Model Fetal Human Skull 30 Weeks, Scientific Name: Homo sapiens, skull exhibits characteristics of prenatal development, 1-part skull (jaw glued to cranium), Size: 3in L x 2-1/2in W x 2-1/2in H  
Model shows both sides of an eye, enlarged 5 x. One side of the model shows the eye socket with a sagittal cutaway and the background to the eye and the electron microscopic fine structure of the retina are shown separately.
Model Fetal Human Skull 29 Weeks, Scientific Name: Homo sapiens, skull exhibits characteristics of prenatal development, 1-part skull (jaw glued to cranium), Size: 3in L x 2-1/4in W x 2-1/2in H
Model Fetal Human Skull 40 1/2 Weeks, Full term, skull exhibits characteristics of prenatal development, Scientific Name: Homo sapiens, 1-part skull (jaw glued to cranium), Size: 11.9L x 9.1W x 8.5H (cm)
Model Fetal Human Skull 21 1/2 Weeks, Scientific Name: Homo sapiens, skull exhibits characteristics of prenatal development, 1-part skull (jaw glued to cranium), Size: 2-1/2in L x 1-3/4in W x 1-3/4in H