Designed to be a safe, “cold pyro” firework for indoor use, each candle emits a spectacular fountain of glittering sparks when lit, creating a magical atmosphere and an unforgettable centerpiece for your cake. The candles are easy to use—simply insert the food-safe plastic spike at the base securely into the cake frosting or topping. They are ideal for birthdays, anniversaries, weddings, and other festive occasions, providing a brilliant sparkle effect that enhances the ambiance and makes for great photo opportunities. The candles are designed to burn cleanly with minimal smoke or residue.