Hypertension Pathology Model, 7-Part Material_Glass 25-inch Atwood machine with two

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

sized for repeated classroom-scale field-line mapping with a GHS-compliant safety label

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

Plastic-cased solar energy kit with a panel

covering refraction shapes for a complete optics lab kit

Hypertension Pathology Model, 7-Part Material_Glass 25-inch Atwood machine with twoIllustrates high blood pressure effects across brain, eye, heart, kidney, and arterial wall in seven pathology pieces, supporting medical and health science teaching.