Would you like to come to the Citadel with your day care ore primary school group and discover a museum with stories, songs and games? Then ask your teacher, if they want to book a session. All information can be found by them here. Normally the sessions are only in German, but call and check, if an English session is available when needed.
Or have you always wanted to do something special with your friends on the Citadel? For example to build a small castle yourself? Then ask your parents. They will find all the information here.
And when you want to get a special bats tour, the adults will find all the information here (in German).