Premium materialThe molecular model set has good durability, is safe and nonwearing, not easy to damage. The product can last for many years. Never worry about broken problems, high gloss and good teature. Product functionThis organic chemistry model can help chemistry students understand the 3dimensional molecule and the molecule in the micro world. It is an important tool for children or students interest when learning chemistry. Real chemistry modelThis sophisticated model contains a complete set for you to carry out the experiment. For teachers or parents, you can teach your students or children about the complex molecular structure much easier than just pictures in books. Powerful functionThis model contains C, H, O, N, Br and other metals and a variety of single and double bonds, long bonds, long keys. Can be placed in high school chemistry, university chemistry in most organic or inorganic molecular structure models for the study of experimental operation. Electron orbital model kitOur product contains three electron orbital models for advanced chemistry education. In addition, the model can improve the practical ability of linking the molecule. Therefore, it is an important part for students and children. Material ABS color As shown Package contents 86Atomic model 153Link 1Link tool 1Plastic Box Only the above package contents, other products are not included. Note Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.