The cribs, which are completely renewed every year, come from almost all Italian regions and from about 25 foreign countries; they are works by Italian and foreign artists and artisans, collectors, amateurs, elementary and middle school students, representatives of cultural and social associations, state and local bodies and national and foreign museums.
Various materials used from coral to silver, porcelain, from glass to bronze, from ceramics to clay, wrought iron, wood, papier-m√Ęch√©, recycled materials; with chocolate, bread, corncobs, corn, caps or buttons, shells of seafood, pasta, car candles, pencils and so on.
The dimensions vary from the miniature format to those at eye level.
The static or moving cribs have different settings: from the classic ones of the seventeenth and eighteenth century Neapolitan and Sicilian and nineteenth century Roman to those futuristic expressed with crystals, iron and colored lights or imaginative car engines, televisions, demijohns and more.
The nativity scenes and vintage crib figures, coming from museums and private collections, are works created by the most famous masters and artists lived in the past, and come from the regions of the most ancient crib traditions such as Campania, Lazio, Liguria , Puglia, Sicily and from abroad.
In the last six editions the exhibition has been awarded with the silver plaque of the President of the Republic, and plaques and medals of the Senate and the Chamber of Deputies.