Male Urinary System Model, Life Size, 15" Tall, Free Standing Base Material_Cast Iron Length-adjustable wooden pendulum simple-machine model

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

the square-face proportions handling broader beams than the 25mm-face line in dispersion demos

single-slit interference

supplied with four riders

designed to hold visible iron-filing field lines and support side-by-side magnet-strength comparisons in mechanics labs

Male Urinary System Model, Life Size, 15" Tall, Free Standing Base Material_Cast Iron Length-adjustable wooden pendulum simple-machine modelFree standing life size male urinary tract model exposes kidneys, ureters, bladder, and urethra in vertical anatomical alignment for urology and anatomy teaching.