Running out of oxygen makes the flame go out. 1. Ask the adult you are working with to light the tealight candle. 2. Place about two teaspoons of baking soda in the jar. 3. Next pour about two ...

That goes to an LM386 amplifier circuit and from ... you actually have to lean over and blow into the top of the candle to blow it out. You can see this demonstrated in the video below.

A social media user shared a comical video of a very young boy taking a turn to the dark side when handed a Roman candle.