Free swimming of parents with children takes place in the City Sports Hall of Havířov, Astronauts 2. You can find information about the current free swimming time at http://www.luciepawlicova.cz/cz/plavani/volneplavani
Free swimming is done twice a week on Wednesdays and Fridays. It's about an hour of free swimming without the presence of an instructor with the aid of toys and swimming pool toys.
Swimming with babies (adult person + baby)