This deluxe brain comes with opened head to allow detailed study of the brain's position in the skull. The human head is horizontally divided above the skull base. This medially divided deluxe brain model shows the arteries in detail, and the basilar artery is removable. Both halves can be disassembled into frontal with parietal lobes, temporal with occipital lobes, half of brain stem, and half of cerebellum. Measures 6 in. x 6 in. x 9 in. Delivered on a base.