overview opening hours admission This alchemist's workshop, newly opened to the public, was discovered during reconstruction of one of the oldest historical buildings in Prague. In the renovated house U Rabbiho Loewa, you can see the secrets of alchemy and magic that reached its peak behind the walls of Prague's Jewish Town during the Renaissance during the reign of Rudolf II. opening hours january—december mon—sun 10:00—18:00 The tour lasts 30 minutes. Tour times: every half hour (on the whole and half hour) It is recommended to book tours in the Czech language in advance. more about opening hours admission reduced children 7—14 years 70 CZK basic 200 CZK reduced students under 26 and seniors 65+ 150 CZK family 2 adults + 2 children 500 CZK more about admission admission reduced children 7—14 years 70 CZK basic 200 CZK reduced students under 26 and seniors 65+ 150 CZK family 2 adults + 2 children 500 CZK opening hours january—december mon—sun 10:00—18:00 The tour lasts 30 minutes. Tour times: every half hour (on the whole and half hour) It is recommended to book tours in the Czech language in advance.