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
Model Homo Sapiens Cro-Magnon 1 Cranium, 30,000-32,000 YA, discovered by L. Lartet and H. Christy on a cliff in 1868 (during the construction of railway lines in Les-Eyzies, France), Size: 21L x 15.2W X 17H (cm)
Model H. Ergaster Knm-Er 3733 Cranium, 1.75 MYA, with dentition was discovered by B. Ngeneo in 1975 in Koobi Fora, Kenya. Several teeth are intact, but no mandible was ever found, Size: 19.1L x 13W x 13.5H (cm)