Bring a funny surprise to your celebration with these trick relighting birthday candles. Important use tip: for best relighting effect, light the candles and allow them to burn for about 30 seconds before blowing them out. After being blown out, the candles are designed to relight, creating a playful prank moment for birthday parties, April Fools Day and celebration photos. These magic self relight cake candles are suitable for birthday cakes, cupcakes, brownies, cheesecakes, mousse cakes and other soft desserts. The relighting effect makes the candle-blowing moment more fun, interactive and memorable, making them a fun choice for surprise parties, family gatherings and funny celebration moments. Simply insert the candles into a cake or dessert, light them, wait around 30 seconds, then blow them out to enjoy the relighting surprise. Use under adult supervision. Keep away from flammable materials and make sure the candles are fully extinguished after use.