4-Piece Specific Gravity Cubes Set with Hooks Lab Supplies_Tongs and connecting leads mounted on

and connecting leads mounted on 4mm-socketed bases for building circuits from 40-plus components

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

4-Piece Specific Gravity Cubes Set with Hooks Lab Supplies_Tongs and connecting leads mounted onFour cube specific gravity set in brass, iron, aluminum, and zinc, each 20mm on edge with a top hook for suspending in water during Archimedes principle and buoyancy experiments.