During the 1960s BRIO manufactured dollhouses and dollhouse furniture. Germany produced the most prized dollhouses and doll house miniatures up until World War I. Stokes also held collections of toys and dollhouses. In 1971, Lego began to target girls by introducing furniture pieces and dollhouses. These pieces sometimes included dollhouses that would be filled with the human carvings. Smaller dollhouses with more realistic exteriors appeared in Europe in the 18th century. A magic force is turning beasts into puppies and castles into dollhouses. The early European dollhouses were each unique, constructed on a custom basis by individual craftsmen. Marx produced dollhouses from the 1920s into the 1970s. Children's dollhouses during the 20th century have been made of tin litho, plastic, and wood. Few other museum quality dollhouses meet such criteria. All three dollhouses shows the linen room (laundry room), kitchen, and bedrooms in great detail. German companies noted for their dollhouses included Christian Hacker, Moritz Gottschalk, Elastolin, and Moritz Reichel. Contemporary dollhouses have their roots in European "baby house" display cases from the 17th century. The collection features dollhouses made between 1820 and 1930.