4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Three copper plates suspended in

Three copper plates suspended in an insulated cover over a glass jar of copper sulfate solution

Portable alkalinity kit measures buffering capacity through titration methods

Pear-shaped Squibb separatory funnel in borosilicate glass holds 500mL with Rotaflow stopcock for liquid-liquid extraction and phase separation

the compact cross-section model maps pituitary

and similar simple molecules to teach VSEPR theory and 3D molecular geometry

4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Three copper plates suspended inFour natural size lumbar vertebrae stack on a mounted base with extending spinal nerve branches for teaching lumbar anatomy, lower back pain, and sciatica pathways.