All-Inclusive Buzzer in Vacuum Jar Kit Subcategory_Dissection Equipment Half-size digestive system model fits

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

Lightweight equilateral acrylic refraction prism with polished triangular faces

built to support full-size anatomical skeleton models in classrooms and laboratories

Chrome-plated 60mm reading magnifier extending to a 20cm focal length

All-Inclusive Buzzer in Vacuum Jar Kit Subcategory_Dissection Equipment Half-size digestive system model fitsBuilt in battery and flip switch buzzer inside a thick acrylic vacuum jar with O ring seals and removable bottom, demonstrating how sound transmission weakens as the air is evacuated.