Made of eco-friendly PP plastics material, with smooth surface, no scraps or cutting edges from the holes, wear resistance and can provides long service time.
Uses spheres to represent atoms and s-ticks to represent chemical bonds.
Can be used to build methane ball-and-stick model, ethane ball-and-stick model, ethylene ball-and-stick model, ethyne ball-and-stick model, benzene ball-and-stick model, phenol ball-and-stick model, ethanol ball-and-stick model, acetic acid ball-and-stick model, carbon dioxide ball-and-stick model, and etc..
Easy to install and easy to detach, easy to build models for organic and inorganic chemistry.
Comes with one plastics box, easy storage and with fine portability.