500-Piece Teacher Molecular Model Set Subject_Earth Science and major vessels of the

and major vessels of the human heart

Nine dissectable sections separate the enlarged eye from its orbital cavity

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

Mounted nervous system overview traces brain

Two-amp low-voltage power pack delivering 6 to 12V AC for optical benches and demonstration apparatus

500-Piece Teacher Molecular Model Set Subject_Earth Science and major vessels of theHeavy 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.