This is a vintage brass made in Germany mechanical singing bird in a cage. Whe wound, main spring releases all at one time. PLEASE NOTE THAT OUR BUSINESS IS ANTIQUES AND VINTAGE COLLECTIBLES. ITEMS ARE PREVIOUSLY LOVED AND MOST NOT IN PERFECT CONDITION UNLESS OTHERWISE STATED. MANY OF THE ITEMS ARE VERY OLD. PLEASE VIEW PHOTOS CAREFULLY AS WE HAVE DONE OUR BEST TO SHOW ANY IMPERFECTIONS IN THE PICTURES. Listing and template services provided by inkFrog.