HEIDELBERG, Germany — The Duke and Duchess of Cambridge have visited a cancer research center and made pretzels in the university city of Heidelberg on the second day of their visit to Germany.

Prince William and his wife, Kate, toured the German Cancer Research Center on Thursday, peering through aicroscope for a glimpse of the facility’s work.

At a market, the couple practiced shaping pretzels.

Baden-Wuerttemberg state governor Winfried Kretschmann gave the couple a specially made cuckoo clock with a British flag. Prince George and Princess Charlotte were given teddy bears.