This ingenious Cool Cat birthday prank card transforms the classic "Happy Birthday" song into an endless symphony of cat meows that plays for hours once activated. What looks like an innocent birthday greeting becomes an unforgettable musical experience that can't be turned off!

• Safe to open and sign
• Place inside envelope then remove tab
• Loops nonstop for at least 3 hours
• Chunky Glitter when broken

How do I mail this?

1. Open the card and write your own personalized message 
2. Start with adding the receivers address on the envelop
3. Insert the card into the envelop
4. Remove the tab 
5. Add the right amount of stamps and send it with your local postal carrier