If you have any questions about this product, please feel to email us and we will reply to you within . The texture is particularly clear, the mold is the injection molding precision mold, the anatomical is very standard. The fourth, fifth, sixth, seventh month embryo and fifth month twin model fetus in the model can be taken out for viewing. Applicable to schools, in physical health teaching, can be used as a teaching of physical health knowledge of the visual aids, so as to deepen the understanding of the structure of the human organ. The model consists of eight models: the first, second, third, fourth, fifth, sixth, seventh month embryos and fifth month twins in the development of the gestational embryo etc.