Model Australopithecus Afarensis Skull, 2.9-3.6 MYA. A, represented early hominid with more than 100 fossils representing the species. They had ape-sized brains: their cranial capacity ranged from 375 - 530 cc, Size: 19.3L x 14.9W x 18.3H (cm)
Model Homo Habilis Oh 24 Cranium, 1.8 MYA, was discovered by P. Nzube in 1968. This nearly complete but very badly crushed specimen constituted the oldest hominid found in Olduvai Gorge, Tanzania, Size: 18.3L x 11.6W x 10.1H (cm)