LEGO Yellow Music Builder Sound Plug with Accordion (43739)
Sound Brick Harmonica
There are currently no stores selling this item, to be notified when it comes back in stock, log in or create an account and add it to your Wishlist.
LEGO Yellow Music Builder Sound Plug with Accordion has been used in at least 2 LEGO sets over the past 22 years, since it was first used in 2002. It has a design ID of 43739 which can usually be found molded into the bottom of the part.