Product highlights Unique visual effect: Fan-shaped "Happy Birthday" candles that automatically open into a decorative fan after being lit, creating an immediate centerpiece and surprise moment. The opening action occurs over approximately 10–50 seconds after ignition. Built from durable materials: Constructed with high-quality wax and ABS plastic for a stable base and reliable performance. Safe and simple to use: Designed for decorative cake use; place on the cake and light the wick to activate the fan effect. Use as intended and supervise while burning. Key benefits — why you need this Creates a memorable moment without extra setup: The automatic fan action replaces complex decorations and draws attention to the cake as soon as it is lit. Adds fun and emotion to celebrations: An attractive alternative to standard candles that helps make birthdays and special occasions feel more festive and photo-ready. Reliable performance: Materials and design focus on a consistent opening action and a stable mount on cake surfaces. What makes it stand out Automatic fan spread: The primary feature is the self-opening fan shape that reveals itself progressively 10–50 seconds after lighting, producing a dynamic visual effect not available with ordinary candles. Material combination: Wax provides the familiar candle-burning element while ABS plastic offers structural support for the fan design. Function and compatibility Function: Decorative birthday candle that lights like a traditional candle and triggers a fan-shaped display as it burns. Compatibility: Intended for use on birthday cakes and similar dessert tops. Suitable for standard cake sizes where a small decorative candle cluster is appropriate. Performance: Opens automatically after lighting, creating a short-lived unfolding display that serves as the focal point of the celebration. Practical use scenarios 1. Birthday cake surprise: Place on the center or edge of a cake; light the wick just before singing to produce an immediate, eye-catching reveal. 2. Romantic celebration: Use on a partner’s birthday to add a playful, memorable touch to an intimate cake presentation. 3. Party photo moment: Use as a cake topper during group celebrations to create a distinctive visual that draws attention for photos and video. Important notes For decorative cake use only. Follow basic candle safety: keep away from flammable items, keep out of reach of children when lit, and never leave burning candles unattended. Materials: high-quality wax and ABS plastic. The opening action typically occurs within 10–50 seconds of lighting. This product is a straightforward, safe-to-use decorative candle that elevates birthday presentations with an automatic fan reveal and simple operation.