Unit Size each
This kit contains a total of 27 atoms:
13 x Sodium [6-hole, grey 23mm diam].
14 x Chloride [6-hole, green 32mm diam].
54 x Medium links, grey.
-Use the medium links to show the model with ions separated.
-User the short links to show the model with ions adjoining.
Supplied in a single 4-compartment box with illustrated instructions.