Prehistoric Hominin Skull Replica Set, 6-Piece Biology_Human Anatomy the cylindrical curvature focusing light

the cylindrical curvature focusing light to a line rather than a point in optics demos

25-inch edge

the series arrangement amplifying the Seebeck voltage for radiant-heat detection experiments

Suspends a 20mm solid zinc cube from a spring scale for water-displacement density measurement

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

Prehistoric Hominin Skull Replica Set, 6-Piece Biology_Human Anatomy the cylindrical curvature focusing lightSix model set of prehistoric hominin skull replicas Afarensis, Africanus, Habilis, Erectus, Neanderthalensis, and Steinheim hand painted for evolutionary anatomy instruction.