Welcome to the world of DaltonLABS! A world of fun and creative visual education! This Molecular Model Kit has a total of 178 pieces including a link remover. Super easy to build models for Organic and Inorganic Chemistry, models such as: alkanes, alkenes, alkynes, alkyl halides, alcohols, ethers, aldehydes, ketones, carboxylic acids, nitriles, amines, esters, aromatic compounds, heterocyclic compounds, and more. All parts are made of durable and sturdy plastic which are color coded to national standards. This is a great set for both students and teachers to aid in course studies! What’s in the box Carbon – black (23) Hydrogen – white (20) Oxygen – red (8) Nitrogen (3 holes)- blue (2) Nitrogen (4 holes) – blue (2) Metal Atoms (1 hole) – silver (1) Phosphorus – purple (1) Sulfur (4 holes) – yellow (2) Sulfur (6 holes) – yellow (2) Chlorine – green (8) Pi Orbitals – purple (6) Pi Orbitals – pink (6) P Orbitals – purple (6) P Orbitals – pink (6) P Orbitals – beige (6) Single Bonds (26) Long/Double Bonds (26) Short Single Bonds (26) Bond Removal Tool (1) DaltonLABS is a proud USA family-owned business with a passion for learning! DaltonLABS uses only the highest quality materials for our products. Your satisfaction is our #1 priority, 100% guaranteed or your money back! Join the DaltonLABS World today! Add to Cart!