Features 1、EASY TO ASSEMBLE AND DISASSEMBLE: DNA models are made of plastic. Easy to assemble and disassemble, they can be used as a science starter for students to explore the molecular world. 2、RESTORE REAL MOLECULAR STRUCTURE: DNA double helix modesl kit restores the real molecular structure and is excellent for both home study and academic teaching demonstration use. 3、DOUBLE HELIX SHAPE: Interlocking segments connect to form a double helix shape, hands on interactive science kit that makes learning come alive. 4、WIDE RANGE OF USES: DNA double helix model is versatile and suitable for use as a teaching tool, learning display and collectible in schools, or as a great addition to the laboratory. 5、EDUCATIONAL TOYS: Double helix structure models are great educational toys that train your observation, thinking and analyzing skills and help approach science. Specification Item Type: DNA Double Helix Modesl Kit Material: Plastic Purpose: DNA Double Helix Structure Model Is a Scientific Enlightenment Tool for Students to Explore the Molecular World and Stimulate Their Interest. It Can Train Children's Practical Ability and Cultivate Their Observation, Thinking and Analysis Ability Package List 32 x Deoxyribose Model 32 x Phosphoric Acid Model 8 x Adenine (Thymine) Model 8 x Guanine (Cytosine) Model 1 x Storage Box