This question has been asked soooooo many times before. Always do a search before posting. As you are new I have done one for you, but I'll leave it up to you to look through the many hundreds of threads that already exist on the subject.
By the way, I hope you realise that this is very dangerous, as the sparks are actually red hot wire particles that will set fire to you and everything around you. You should ensure that you wear goggles to protect your eyes, fire safe, thick clothes, and spin in a safe area with nothing and noone anywhere near you.
Wire Wool
Welcome to HoP by the way!