1.Extract from fresh material. Keep the whole structure.
2.clearly cell tissue, keep the original shape.
3.well-distributed coloration, HE,India ink stain,Alcohol magenta,Hematoxylin staining .
4.Packing as you like, plastic or wooden slides box.
5.easy to stimulate students' interest in study and emotion. learning the zoology and structure of animal will be helpful to improve the experiment quality and teaching effect.