Prince George and Princess Charlotte, who captivated photographer and crowds at the airport, were not present at the activities.
The couple enjoyed a private audience with German leader Angela Merkel at the outset of their three-day visit. Adding, she revealed: "She said they should have more babies, and they laughed".
She may be only 2 years old but Britain's Princess Charlotte appears to be settling in quickly to a lifetime of royal duties.
Both made an appearance earlier when the Duke and Duchess flew from Poland to Berlin and they were seen boarding and leaving the couple's private charter jet. The German media have been as far as to call the color "blue Europe " of the dress of princess Kate upon her arrival on the territory of the germanic.
The treat for the children came as their parent's five-day tour of Poland and Germany came to an end with a visit to aircraft manufacturer Airbus's sprawling plant in Hamburg.
The Duchess of Cambridge dazzled in a bottle green, patterned gown as she and Prince William enjoyed the last night of their Royal tour at a glittering reception in Berlin. They never thought that one day they would return to the place where they were prisoners in 1940s.
THE Duke and Duchess of Cambridge have described their visit to a former Nazi concentration camp as "shattering", saying the site is a "terrible reminder of the cost of war".
They will meet the survivors of the Holocaust when they make a visit to Berlin's Holocaust museum and a memorial and before walking through the memorial they will make a tour to the museum.