Do you need a durable DNA Model ? If so, take at this product. Using plastic materials, durable. The unique design and craftsmanship ensure its popularity and practicality. This is your ! With this product, and you can have a more professional and enjoyable looking experience. Features -Color:Multi -Material:Plastic -Size:37.00X8.50X1.50cm/14.54X3.34X0.59in - Can vividly show the details of double helix model of DNA, allow to different angle to demonstrate the model. - This product is applicable to biology, chemistry, engineering and other educational things. - Self-assemble design, free to learn the roles of DNA, such as replicating, encoding information. - Great for the teaching of education and in home, nursing place, medical places. - Let you explain the knowledge in books more concretely, makes it easier for students to learn. Package list: 1 x DNA Model