220-Piece Advanced VSEPR Molecular Model Kit, 65 Atoms Size_17.5 Inch and pyramidal geometries alongside single

and pyramidal geometries alongside single

3 glass features 10mL capacity with spout for small-volume chemistry and laboratory applications

producing a spread of spring constants for Hooke's-Law and mass-spring comparison work in introductory mechanics

Pivoted-conductor demonstration of the Laplace force

and three cast iron support rings for ring-stand assemblies

220-Piece Advanced VSEPR Molecular Model Kit, 65 Atoms Size_17.5 Inch and pyramidal geometries alongside singleSixty five atom advanced VSEPR kit at 220 total pieces with multifaceted atoms supporting trigonal, tetrahedral, bent, and pyramidal geometries alongside single, double, and triple bonds.