Alternatives Database
Hydra Model
Producer: Educational and Scientific Products LtdA median longitudinal section of a green hydra, showing external and internal structure, budding, testis and ovary.
On base approx 56cm high.
Supplied with keycard.
Price: £203.00
![Hydra Model](https://www.interniche.org/system/files/imagecache/thumbnail/protected/alternative/images/6182/zka300hn-400x400.jpg)