Features: This organic chemistry molecular model contains C, H, O, N, CL and a variety of long and short bonds, Can be put high school, university chemistry in most of organic or inorganic molecular structure model for the study of experimental operation. This molecule model kits for organic chemistry are used to make organic molecule structures, cyclic compounds, and biology models. All molecule model are color coded to universal standards, very helpful visually understand and demonstrate the structure of compounds and molecular geometry. Perfect chemistry model kits for modeling simple and small to more advanced and complex chemical structures for schools and college level, students of all ages. Packed in plastic box with for storage and portability. Easy to store and carry. Great educational present for high school student, friend, classmate, teacher. Helps you understand chemistry concepts like organic molecules, general empirical formula representations, and organic structures. Specifications: Color: Mixed Color Case Size: Approx. 10x10cm/3.93x3.93in Weight: Approx. 50g Material: Plastic Package Includes: 1 Set Molecular Models note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to difference between different monitors, picture may not reflect actual color of this item.