The planar 120 degree, 3 hole 23mm blue atom comes in our biochemistry teacher's set 62007. It is represents nitrogen & this geometry is seen in compounds like amino acids.
Indigo Instruments has maintained a substantial inventory of genuine Molymod atoms & bonds for over 30 years. These parts are compatible with every set & kit we have sold since day 1. Though quality may appear expensive, no parts support from other vendors costs even more.
Use only these genuine Molymod Atoms & Bonds for full compatibility with any of our Molymod Molecular Model Sets and Molymod Molecular Model Kits.