All-Inclusive Buzzer in Vacuum Jar Kit Subcategory_Dissection Equipment Lightweight equilateral acrylic refraction prism

Lightweight equilateral acrylic refraction prism with polished triangular faces

sized to read one step up from the 0-1A meter when student circuits draw past the lower meter's full-scale deflection

and a tapered spout

Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough

and mechanical advantage studies in physics

All-Inclusive Buzzer in Vacuum Jar Kit Subcategory_Dissection Equipment Lightweight equilateral acrylic refraction prismBuilt 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.