Yesterday we celebrated my cousin Josh's 12th birthday! My aunt Susie bought trick candles for Josh's cake. My photo of the day was taken after he first tried to blow out the candles and they relight themselves!
The way that trick candles work is that magnesium dust is inside of the candle wick. When the candle is blown out, the magnesium dust is ignited by the burning ember inside the wick. The ignited magnesium dust then catches the paraffin smoke on fire and relights the candle! You can see the smoke from the first time Josh blew the candles out in the photo. Pretty cool!