Standards: This model is manufactured according to standard knowledge, and Kexin's scientific instruments are verified at all levels.The structure is precise and scientific professionalism is high.Use sure. High quality: The mannequin is manufactured with high quality PVC, easy to clean.It is hand painted with great mastery and mounted on a robust base. Fine production: This product is a biological model of anatomy and assembly of animal organs, which is useful to understand the composition and structure of animal organs, and is also very suitable for teaching in the preschool education system. Easy to assemble: by riding animal models, learn about the composition and structure of human organs, as well as the composition and structure of animal organs, and increases knowledge during the game. Portable models: These models are small enough to fit on a table, but large enough to see details and understand anatomy.