Economy Ripple Tank Starter Set Waves & Oscillation_Sound & Resonance its sectioned carburetor and fuel

its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover

and foot-anatomy teaching

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

the lower-friction variant of the metal-bearing bench-clamp pulley in the series

Economy Ripple Tank Starter Set Waves & Oscillation_Sound & Resonance its sectioned carburetor and fuelTool free 5 minute assembly to a 21 inch height puts ripple tank wave behavior reflection, refraction, diffraction, interference within reach of an introductory wave mechanics curriculum.