Human Urinary Organs Model with Kidney and Bladder, 15 x 9" Waves & Oscillation_Wave Motion Hand-cranked 4-stroke gasoline engine model

Hand-cranked 4-stroke gasoline engine model at 13

and sensory nerves

Pack of 10 Stoddard test tube clamps in stainless steel with finger grip securely holds test tubes during heating

portable enough for mobile demonstrations of current-driven magnetic field strength

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

Human Urinary Organs Model with Kidney and Bladder, 15 x 9" Waves & Oscillation_Wave Motion Hand-cranked 4-stroke gasoline engine modelIncludes kidneys, ureters, and bladder in anatomical position, exposing the full urinary tract for combined anatomy and physiology teaching at 15 by 9 inches.