Grasshopper Model - This model is a grasshopper (grasshopper) with an magnification of about 10 times. The left body wall is removed, and the right half and internal organs are retained. To provide an understanding of its movement structure. Is a rare aid for your practical exercise Material - The model is made of polyvinyl chloride (PVC) plastic, which is corrosion resistant, light and has high strength. Dimensions: 34×17cm. Internal structure - Displays the structure and interconnections of the digestive system, circulatory system, respiratory system, excretory system, nervous system and reproductive system. So you can to vivid teaching demonstration, which promotes students understanding and Improve the quality of teaching. Zoological teaching suitable for middle schools, technical schools and colleges and universities, an intuitive teaching aid for teaching morphology, biology and classification of insects. If you have any questions about this product, please email us and we will reply you within 24 hours