Human Head Model, Frontal and Median Section Light & Optics_Spectroscopy Length-adjustable wooden pendulum simple-machine model

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

5 inch specific gravity cylinder with a top hook

and rolling stand for comprehensive anatomy instruction and patient education

Human Head Model, Frontal and Median Section Light & Optics_Spectroscopy Length-adjustable wooden pendulum simple-machine modelFrontal and median head sections expose brain, cranial sinuses, oral cavity, and cervical spine across the same model for comprehensive head anatomy teaching.