500-Piece Teacher Molecular Model Set Subject_Earth Science and hinge-distance scales adjustable from

and hinge-distance scales adjustable from 0 to 45 degrees

Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes

Designed to project wave behavior live for an entire class

and 500mm focal lengths for comparative refraction experiments

Engineered with a higher spring constant than a classic coiled novelty spring

500-Piece Teacher Molecular Model Set Subject_Earth Science and hinge-distance scales adjustable fromHeavy duty 500 piece teacher molecular model set with 230 atoms and 270 bonds, including 100 long flexible bonds for delocalized representations and crystal lattice construction at scale.