When lighting candles on a birthday cake. Instead of lighting match after match, or using one of the candles and getting melted wax all over the cake, use a piece of uncooked spaghetti. Light one end and use it as a long match!
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My sons are teenagers now and that makes scrounging up enough birthday candles a little more challenging. For this last birthday, I found these long candles from a past celebration. I just cut them in half and cleaned up a bit of the wax from the wick. The candles are only lit for a minute so the shortness didn't matter at all.