Happy Birthday Music Chip/Circuit
This happy birthday music circuits kit includes 2 pre-constructed electronic circuits that play the happy birthday music tune. They are pretty small, so you can put them into happy birthday cards or birthday presents so that they it can play the happy birthday song, when opened. Remember, there are 2 circuits/chips included, both of which are pre-constructed.
- L: 3-1/4" W: 1-3/8" H: 1/4"
- Powered by small watch battery (included)