Happy Musical LED Cake Topper. This delightful acrylic cake topper is designed to add a touch of magic to any celebration. Featuring vibrant LED lights, it illuminates beautifully, creating a captivating centerpiece for your cake. When activated, it plays the classic "Happy Birthday" song, adding a joyful melody to your special occasion. The topper comes with a battery included, ensuring it's ready to use right out of the box. Measuring approximately 3" x 5", it is the perfect size to make a statement without overwhelming your cake. Made from durable plastic, it is a charming and reusable addition to your party supplies.