This set includes 240 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage.

Organic / inorganic chemistry course, stick type, proportion type molecular structure model, can take a variety of common and more complex C, H, O, N, Br, organic chemical molecular structure model of I, suitable for teaching and laboratory use.
The structure formula of inorganic and organic molecules in the chemistry teaching material can be built. Such as teaching materials in alkanes, alkenes, alkynes, halides, alcohols, phenols, aldehydes, ketones, esters and other materials in the University stereoisomers, optical isomer, and between them the transformation. Like two vinyl chloride (C2H2) Cl2 model can be built into three isomers

Features:
1, Suitable for junior high school students to study chemistry
2, Easy to understand the molecular structure of chemical
3, Training students' ability

Model: XMM-066 240 pieces set (86 atoms, 153 link keys, 1 key tools), a single set of plastic box
Spheres Type: For Hydrogen Carbon Oxygen Nitrogen Sulfur Chlorine;
Link Type: Short Medium Long
Quantity: 1 set (as picture show)
Material: Plastic
Total Quantity: 240Pcs
Box Size: 23 x 17 x 3.5cm