1. A large Hydra model. with cross-sectional extension model It can be used as an introductory teaching material about invertebrates.
2. Show components and internal characteristics of Hydra such as mouth, tentacles (removable) and budding, etc.
3. The appearance of the model is three-dimensional, realistic, colorful, each part has a different color for easy learning.
4. Important organs are numbered. with documents explaining details in both Thai and English
5. The model is made of good quality PVC, mounted on a plastic base.
6. The model has a total height of about 10 cm. and 35 cm. respectively.