Molecular Model Set with 76 Plastic Spheres
This set allows models of most organic  molecules and crystal structure models to be made as well as usual inorganic molecular models. 
Science Lab Export Ball-and-Spoke Molecular Model Set with 76 plastic spheres,102 plastic connecting rods. Balls are 23mm in diameter, except for the 30 hydrogen models which are 17mm.
Includes a durable storage case.
 
 
                						