Visit this exploratorium for some funny science stuff: a sea wave, Newton's cradle, space photos and more! There's also a historic site and a museum here. Webpage in English linked below :) Read more.
Want to see a shark, sea turtles, sea horses, corals, rays and crabs? Don't look for them in the sea, but go to the aquarium (avoid Mondays - only groups are welcome on this day). Website in English. Read more.
In fact it's not a zoo, but a research station open to public. The best time to visit is 11 AM and 2 PM - it's seals' feeding time and quite a show here. A place worth some trip from Gdansk! Read more.
Play with interactive science machines, discover the world of human anatomy, physics, optics, sound and environmental issues. Closed on Mondays! Check their English website for more information. Read more.
Nice landscape and amazing animals here - just to mention condors, penguins, guerezas, mandrills and howler monkeys. There's also a "little zoo" for kids, horse rides, an old train. Check the website! Read more.