Features 1、BIOLOGICAL SCIENCE POPULARIZATION TEACHING AID: Molecular structure model can be used as a teaching tool in biology classroom and as an enlightenment tool in genetics to explore the molecular world and stimulate scientific research interest 2、EASY TO LEARN: The color of each atomic model use a common standard, easier for you to use and learn 3、SIMPLE TO DISASSEMBLE: Atoms and chemical bonds are tightly bound and can be easily disassembled with the disconnect tool 4、DURABLE MATERIAL: The plastic atomic model has good durability, high gloss and good texture 5、STABLE CONNECTION: LDPE(low density polyethylene) plastic bonding adhesive have perfect durability and bending properties 6、MAIN USES: This graphite structure model is used for teaching content demonstration of crystal structure in high school and chemical physics, which can enhance students spatial concept and help to understand the close relationship between crystal structure and metal commonality Specification Item Type: Graphite Structure Model Material: Plastic Use: For high school, chemical physics teaching content demonstration about crystal structure, can enhance students spatial concept, conducive to understanding the close relationship between crystal structure and metal commonality Package List 39 x Graphite Structure 45 x Short Bond 14 x Long Bond 1 x Storage Box