4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Ticker tape holder stand with

Ticker tape holder stand with a 10mm stainless steel rod on a textured metal base

Straight receiver adapter with cone in borosilicate glass features 14/23 socket and cone for distillation collection and apparatus connections

Portable alkalinity kit measures buffering capacity through titration methods

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

Shifting through a full rainbow of colors with pH

4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Ticker tape holder stand withFour natural size lumbar vertebrae stack on a mounted base with extending spinal nerve branches for teaching lumbar anatomy, lower back pain, and sciatica pathways.