About this item Blow-out Candle Feature: HUAXUS interactive birthday card involves the recipient "blowing out" the candle，Once the candle is blown out, the music stops and a cheerful sound of people cheering can be heard. 20% Larger Than Average: Make a bold statement on your loved one's birthday with HUAXUS 3D pop-up cards that are 20% larger than average, creating a striking and unforgettable experience. Musical Light-Up Card: Open HUAXUS 3D Birthday Card and it features a pop up effect, the light and music automaticly come out, color-changing lights that glow in sync with the music! Unique Design Birthday Card: HUAXUS 3D happy birthday card is made of high quality cardstock that can be treasured by the recipient for years to come. Writing Insert: The HUAXUS 3D Birthday Card comes with a blank envelope and a writing insert, allowing you to leave a personalized birthday message that makes it a warmer, more heartfelt gift. Perfect way to show someone how much you care.