137-Piece Organic Molecular Model Set It adopts high-temperature resistant-free glass

It adopts high-temperature resistant-free glass fiber with good isolation performance

Includes protractor

The wire is wrapped in a PVC flame-retardant shell

High Accuracy: 0

137-Piece Organic Molecular Model Set It adopts high-temperature resistant-free glassPremium, 137 Piece Organic Molecular Model Set Includes Instruction Manual: 66 atoms, 70 bonds, 1 removal tool for building a variety of organic compounds. Comes in a plastic storage box with four compartments for easy organization. Great for molecule demonstrations, studying and for providing students with a visual and kinesthetic aid for learning the structure and properties of various molecules. (14) Carbon 4 holes, (6) Carbon 3 holes, (6) Oxygen 2