Human Kidney Model, Life Size, 2-Part Subject_Anatomy 3g nickel-plated steel balls on

3g nickel-plated steel balls on a red wood base

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

the optical glass producing undistorted views of specimens

US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle

each fitted with 98 iron-rod plotting compasses in a 14 x 7 matrix that align with field lines whenever a magnet is brought near

Human Kidney Model, Life Size, 2-Part Subject_Anatomy 3g nickel-plated steel balls onLife size kidney model separates into two hemispheres exposing cortex, medulla, and renal pelvis in a single cutaway for entry level urinary anatomy teaching.