THE ULTIMATE POP UP BIRTHDAY CARD THAT TURNS FARTS INTO MUSIC - Get ready for the most hilarious musical birthday card that transforms bathroom humor into a symphony of laughs! This singing birthday card doesn't just say "Happy Fartday" - it unleashes perfectly timed toots performing the birthday song, complete with a 3D plush poop character that springs to life when opened! WATCH LIGHTS DANCE TO EVERY MELODIC TOOT - Experience pure joy as this light up farting birthday card creates a dazzling display in perfect sync with each musical fart note! The LED light show transforms every "toot" into a party, creating an unforgettable multi-sensory experience that'll have everyone crying with laughter - the perfect poop birthday card for anyone who loves a good laugh! PREMIUM QUALITY MEETS POTTY HUMOR - This isn't your ordinary paper card - it's a luxurious pop up birthday cards for men and women featuring a soft, huggable 3D plush poop character! This farting birthday card with sound delivers crystal-clear fart notes that'll make even the grumpiest guest crack a smile. Built to last and engineered for endless laughs! SPACE TO WRITE YOUR OWN CHEEKY MESSAGE - Add your personal touch to this gas-tacular greeting! These funny birthday cards for men and women include plenty of room to write your own birthday wishes alongside our charming poop friend. Perfect for friends, family, or anyone who appreciates the art of sophisticated potty humor - the fart birthday card that keeps on giving! OVERSIZED MUSICAL BIRTHDAY CARDS FOR BIG LAUGHS - At 8.25 x 6 inches, this birthday pop up card delivers big laughs in a perfectly sized package with envelope included! From Kamhi World, the masters of novelty fun, comes musical birthday cards that are more than just a greeting - it's an experience that'll be remembered long after the cake is gone! Non-replaceable battery provides hundreds of opens for instant fart-filled fun! Celebrate birthdays with a hilarious twist using Kamhi World's "Happy Fartday!" Musical Pop-Up Card - where bathroom humor meets birthday cheer! This side-splitting happy birthday pop up card features a delightful 3D plush poop character that springs to life when opened, ready to deliver laughs and memorable moments. As you open the birthday card pop up, you'll be treated to a unique rendition of the classic "Happy Birthday" song, performed entirely with perfectly orchestrated melodic farts that will have everyone in stitches. Adding to the fun, synchronized LED lights dance and pulse to each musical toot, creating a dazzling display that's sure to brighten anyone's special day. This poop card showcases playful artwork with "Happy Fartday!" emblazoned in festive lettering on the exterior, while the interior houses our adorable plush poop friend in all its three-dimensional birthday poop glory. Perfect as one of those fart birthday cards funny enough to make anyone laugh, or as poop birthday decorations that double as the ultimate greeting! Whether you need musical birthday cards, musical birthday cards for women, or musical birthday cards for men, this funny birthday card fart symphony works. A great addition alongside poop emoji birthday card collections or as a birthday old fart popup card for the mother at heart! This farting card is guaranteed to transform any birthday celebration into an absolute gas! Batteries included for instant laughs right out of the envelope.