After breakfast, take a short walk to the iconic Römer, Frankfurt's town hall, and stroll through the picturesque Römerberg square, perfect for family photos.
Next, visit the impressive Frankfurt Cathedral, where kids will marvel at its towering spires and can climb to the viewing platform for stunning city views.
In the afternoon, stroll along the Museumsufer (Museum Riverbank) and visit a couple of the diverse museums, such as the Children's Museum (Kindermuseum).