PL MOLECULAR MODEL SET - BIO CHEMISTRY SET - TEACHER

ELEMENTS :                                       
CARBON (II , III , IV) - 71                      
NITROGEN (II , III , IV) - 36              

LINKS
CONNECTORS - 270
LINK REMOVER TOOL - 1 OXYGEN (I , II) - 47

HYDROGEN (I , II) - 120 SULPHUR (II) - 2 PHOSPHORUS (IV) - 6 METAL (IV , VI) - 2

Materials : PS / PE