Item Type: Molecular Structure Model_x000D_ Material: Plastic_x000D_ Use: This molecular structure model can be used in secondary schools to demonstrate the teaching content of molecular structure, in order to enhance the students' spatial concept, and is conducive to the understanding of the structure of molecules. 1Excellent Plastic Material: This molecular structure model is made of excellent plastic material, which is sturdy and wear resistant, not easy to be damaged and has a long service life. 2Multifunctional: This molecular model can be used for the demonstration of teaching content about molecular structure in secondary schools, in order to enhance students' spatial concept and facilitate the understanding of the structure of molecules. 3Detachable: The atoms and chemical bonds of this molecular structure model are tightly bonded and can be easily removed with a disconnect tool. 4Distinguishable: This molecular structure model uses different colors to distinguish the atoms of different elements, making it easy to learn the molecular structure. 5Wide Application: This molecular structure model is widely used, and can be used in schools, laboratories and so on. 24 x Carbon Atom 5 x Oxygen Atom 28 x Hydrogen Atom 10 x Long Valence Bond 30 x Short Valence Bond 1 x Storage Box