54Pcs XMM 067 Molecular Model Kit Set 54 Atom Structure Ball and Stick Scale Model

Feature: 1. Easily build the molecular structure of most common and slightly complicated methane (CH4), ethane (H3C CH3), fat, amino acid and most other organic compounds 2. Can build stick model and scale model at the same time, very convenient 3. Made of environmentally friendly plastic, very safe and not broken with long service life 4. The model can further increase students interest in learning, and the teacher can also explain more intuitively 5. Suitable for basic chemistry and specialty chemistry, secondary and university teaching, and laboratory use Specification: Item Type: Molecular Model Kit Set Specification: 54 x Atom model, 70 x link key, 1 x key opening tool. Package List: 54 x Atom model70 x Link Key1 x Key Opening Tool