Human Head Cross-Section Model with Neck and Cranium, Life Size Electricity & Magnetism_Magnetism holding under at least 100

holding under at least 100 Newtons of separation force after hand-evacuation of the air between them

low-consumption fan motor

using metal bearings to minimize friction in uniform-acceleration and Newton's-second-law work

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

Human Head Cross-Section Model with Neck and Cranium, Life Size Electricity & Magnetism_Magnetism holding under at least 100Life size head cross section exposes cranial vault, brain, facial sinuses, oral cavity, and cervical spine for head and neck anatomy teaching.