3D Birthday Card with Color Changing Lights and Music: This Happy Birthday card displays a beautiful 3D design while playing the Happy Birthday melody that is sure to bring a smile to any birthday celebration, whether it's for her or him. The entire birthday design on the card is beautifully bathed in a display of color changing lights that glow in time with the music. Easy to use: when the card is opened, it will light up and automatically play the warm melody, no need to press the button. The card's musical lights will light up at the same time for 30 seconds. Perfect Birthday Gifts: There are fun birthday cards, matching envelopes. No need to buy other accessories. Warm birthday gifts for her or him, your children, mother, son, daughter or parents. Made of high-quality materials: the greeting card is made of environmentally friendly paper and laser cutting technology to create a beautiful 3D scene with a highly detailed design. Write a friendly birthday greeting inside: product dimensions: 5.9 x 5.9 inches. The card has plenty of blank space for you to express your birthday greetings and congratulations wishing your loved one a Happy Birthday. Products from LUOLV's store