125 Piece Organic Chemistry Molecular Structure Medical Model Kit Universal and Organic Molecule Atomic Bonds This product ships based on the color or size of the main image on the product page. 125 Piece Organic Chemistry Molecular Structure Medical Model Kit Universal and Organic Molecule Atomic Bonds Description: This set includes 125 pieces of durable high-quality plastic components that are virtually indestructible and stored in a sturdy plastic box. Specifications: Model: TW-1 Material: PP (atom), LDPE (bond), ABS (box) Link length: short, medium, long Features: organic chemistry course, organic molecular structure model, rod molecular structure model, desirable Various common and more complex organic chemical molecular structure models of C, H, O, S, P, CI, suitable for teaching and laboratory use. -Suitable for junior high school students to learn chemistry. -Molecular structure of simple and easy-to-understand chemistry. -Develop students' abilities. Package Includes: Atomic Number Type Hole Color Diameter (mm) H-Hydrogen 1 White 1720C-Carbon 4 (10928') Black 2312O-Oxygen 2 (105) Red 236N-Nitrogen 3 (107) Sky Blue 232N-Nitrogen 4 (10928' ) Sky Blue 232S-Sulfur 4 (10928') Yellow 231S-S Sulfur 6 (90) Yellow 231Cl-Chlorine 1 Green 234P-Phosphorus 4 (10928') Purple 231 Metal 1 Silver Gray 231 Bonding Type Color Length (mm) Short Transparent 1026 Medium Gray & White 2732 Long Gray & Blue 4316 Removal Tool 150 pcs Atomic 74 pcs Bond 1 pc Removal Tool 1 pc Plastic Assorted Box Total: 125 pcs