Steel Cylinder Hooked Weight Set Capacity:500g Three-inch raw talc hand sample

Three-inch raw talc hand sample demonstrates Mohs 1 hardness as the softest mineral on the Mohs hardness scale for reference-mineral teaching

this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork

7) Neutral Red

Color-coded regions and numbered structures on a life-size half-brain cross section support identification-key neuroanatomy exercises with mounted display

Steel Cylinder Hooked Weight Set Capacity:500g Three-inch raw talc hand sampleCoordinated mass set of cylindrical weights with integral hooks supports spring scale calibration and systematic physics experiments on force, gravity, and pulleys.