I just put some glass over some metal and sparked it.
It didn't light up the way he wants to.
What he means is like this: Go on powder game on danball, put some metal down, put some glass on it, and add thunder to the metal. The glass will light up yellow.
I'd appreciate it if people like you would read through threads for what people like Rock- actually mean, so people like me don't have to tell people like you what people like Rock- actually want.