Vyšehrátky is an interactive theater festival for children which takes place every year at the historical fortress of Vyšehrad. This year's edition was dedicated to the world's and Czech greatest inventors and their discoveries. Children learn at the festival a lot of interesting information in a fun way. To keep as much information as possible in the children's minds, the interactive worksheets are delivered to schools after the festival. Children recall in a fun way what they have learned and they learn new things as well.