Description Description 125Pcs Organic Chemistry Molecular Structure Medical Model Kit General Organic Molecule Atom BondsDescription:This set includes 125 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage. Specification:Model: TW-1 Material: PP (atomic), LDPE (connection key), ABS (box)Link Length: Short, Medium, Long Features:The organic chemistry curriculum, the organic molecular structure model, stick type molecular structure model, can take a variety of common and more complex C, H, O, S, P, CI organic chemical molecular structure model, suitable for teaching and laboratory use.- Suitable for junior high school students to study chemistry.- Easy to understand the molecular structure of chemical.- Training students ability. Package Included: AtomQuantityTypeHolesColorDiameter(mm)H-Hydrogen1White1720C-Carbon4(10928)Black2312O-Oxygen2(105)Red236N-Nitrogen3(107)Sky Blue232N-Nitrogen4(10928)Sky Blue232S-Sulfur4(10928)Yellow231S-Sulfur6(90)Yellow231Cl-Chlorine1Green234P-Phosphorus4(10928)Purple231Metal1Silver Grey231Bond-TypeColorLength(mm)ShortClear1026MediumGreywhite2732LongGreyblue4316Remover Tool150 Pcs Atoms 74 Pcs Bonds 1 Pcs Remover Tool 1 Pcs Plastic Assortment Box Total Quantity: 125 Pcs