5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods sized for ripple tank and

sized for ripple tank and bulb-driven physics demonstrations

paired with electroscopes and pith balls in classic electrostatic-charging investigations

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

Simultaneous AC and DC output on this low-voltage power supply

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods sized for ripple tank andEqual mass density set in aluminum, brass, nylon, acrylic, and PVC, the shared mass isolating volume and density as the distinguishing variables across metals and polymers.