This is a plastic bowl wtih blue fluid in it, and two plastic seals. I bought this last month in Belgium, at a sea-life center. There they gave all kinds of information about animals and plants in the seas, and you could see some of them. The money from the tickets and souvenirs you buy goes to helping animals in need. For example, they pick up lost young seals and take care for them untill they can go back to sea.
A souvenir August 5, 2006