5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods 101-piece teacher-grade molecular model set

101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon

Metal spouting cylinder with multiple outlet holes at different heights

Designed for parallel gravity filtration

heating the bar until it no longer passes through the opening and contraction returns it

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

5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods 101-piece teacher-grade molecular model setEqual 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.