Since 1988, the Rocca Borromeo has housed the Doll Museum, which is displayed in the twelve rooms of the Viscontea and Borromea wings. It is an extraordinary collection of dolls, toys, books, dolls' furniture and table and board games which, due to the over 1,000 pieces displayed, constitutes one of the most important museums of its kind in Europe. There are wooden dolls from the eighteenth century, French closed-mouth dolls, German dolls, and "bébé Caractères" made of wax, papier-màché, porcelain, fabric, celluloid, and plastic, illustrate the historical and cultural evolution of this quite extraordinary object, which has always been an important protagonist of childhood.
The museum has well-documented didactic information, which accompanies visitors on a fascinating journey through time to discover the fundamental gift of play.