Half Human Head Model with Median Section, Natural Size Mechanics_Force & Motion Triple-long plastic pulley set with

Triple-long plastic pulley set with three stacked wheels at 2

Stackable 4mm lead with nickel-plated split-hollow pins on both ends

registering induced or conducted charge through the Coulomb-driven deflection of a single suspended leaf

3-inch rectangle

Cork-lined stainless steel safety flask tongs lock jaws around flask necks to prevent accidental drops during transfer of hot distillation vessels between bench stations

Half Human Head Model with Median Section, Natural Size Mechanics_Force & Motion Triple-long plastic pulley set withMedian section through a natural size head exposes cranial cavity, sinuses, brain, and vocal tract in a single plane, hand painted and key card labeled.