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, tue, wed, thu, fri, sat, sun 10:00—18:00 more about opening hours admission basic 200 CZK reduced 150 CZK family 500 CZK more about admission Source: www.alchemiae.cz admission basic 200 CZK reduced 150 CZK family 500 CZK opening hours january—december mon, tue, wed, thu, fri, sat, sun 10:00—18:00