1、3D Modeling: Molecular model shows chemical structures, molecular bonds and bond angles in all directions. The 3D modeling study demonstrates basic molecular geometry, chemical molecular structure and stereochemistry. 2、Strong Bonding: The model can be used in chemistry textbooks for structural representations of various molecules of inorganic and organic substances. The atoms and chemical bonds are tightly and firmly bonded together and can be easily disassembled with a disconnecting tool. 3、Applicable Scenarios: The model set can be used to build various common and slightly complex models of C, H, O, N, chemical organic molecular structures, suitable for teaching and laboratory use. 4、Vibrant Colors: The model is composed of colorful PP spheres and connecting bonds, which are brightly colored, well crafted, easy to use, and durable. 5、Increase Learning Interest: Molecular modeling kit can increase students' learning interest and teachers can explain it more visually and conveniently.