If the young ones are getting fidgety, take them to Anpanman Museum. With plenty of interactive exhibits and displays, this place makes learning exciting.
You'll soon learn why this Yokohama City Centre interactive exhibit for kids is visited by many travelers. If you're looking for other things to see here, Yokohama Stadium, Yokohama Cosmo World, and Landmark Tower are in the area too. They won't take you long to reach from Anpanman Museum.