Inorganic and Organic Chemistry Molecular Model Set, 65-Piece Manufacturer_Austerlitz and hinge-distance scales adjustable from

and hinge-distance scales adjustable from 0 to 45 degrees

237kg hooked masses for measuring spring extension under load and calculating spring constants

Wooden handle supports 13

sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work

this Wimshurst generator builds a visible high-voltage spark

Inorganic and Organic Chemistry Molecular Model Set, 65-Piece Manufacturer_Austerlitz and hinge-distance scales adjustable fromSixty five piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles, molecular geometry, and structural isomerism in introductory chemistry.