Check the listing for details. 122 Pieces Organic Chemistry Molecular Model - Science Learning Student Kit. Condition: Used. Listed at 10.79 USD. Explore the world of organic chemistry with this 122-piece molecular model kit. Perfect for students and science enthusiasts, this kit features intricate models of various organic compounds. Made in China, these models are crafted with attention to detail and are sure to enhance your understanding of chemistry. Whether you're a student or simply curious about the subject, this molecular model kit is a must-have for anyone interested in learning more.