Human Kidney Model, Life Size, 2-Part Subject_Anatomy US-milled iron filings at 40-60

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

Extending up to 65 feet from a 20cm closed height on the included wooden stand

with identical volumes across specimens for direct mass-density comparison

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

chemical-resistant protection for chemistry

Human Kidney Model, Life Size, 2-Part Subject_Anatomy US-milled iron filings at 40-60Life size kidney model separates into two hemispheres exposing cortex, medulla, and renal pelvis in a single cutaway for entry level urinary anatomy teaching.