With fine digital labeling: The kidney profile for this model set has 10 indices, 15 nephrons and 6 glomeruli. Facilitates demonstration and explanation of partial structures. Material: Made of PVC, light weight and high strength. Model group: consists of three models of kidney slice, nephron and glomerulus, showing the complexity of human physiological structure. Teaching Demonstration: Fine workmanship, clear shape, exquisite details, suitable for school teaching tools, learning display. Models: Ideal for school teaching, learning, research and display, and an excellent addition to your laboratory decoration products.