Musical pop-up birthday greeting card features a three-dimensional, laser-cut design with a "Happy Birthday" banner, colorful shooting stars and a candle-topped cake on a designed base for display. Press the button to hear the song "Happy" performed by Pharrell Williams and see the stars and candles light up in rhythm to the music. Simply pull down on sides of card and push up base to pop it open and lock into place—no assembly required. When open for display, 3D pop-up card measures approx. 8.75" H.