Electric 9V Battery Box Small Assembly, LEGO® Part# 4760c01. Appears in classic town, classic space, and other LEGO® themes from the 1980s and 1990s. This part is used to power electric light and sound bricks from these years. 

Each one has been tested to ensure they work. 

To learn more about the parts we offer or if you have any questions call us at our storefront at 470-414-2208 and we'll be happy to help.