ok all you need is a lighter.
take your lighter apart untill you are holding the flint and the spring.
try to jam the flint inside the spring at the end of the spring.
now, give the spring a shake, if the flint comes out, do it again
keep trying untill you can shake it without the flint comming out.
once you have done that, get another working lighter and keep the flame on the flint while holding the other end of the spring.
when the flint is red throw the flint on the ground with force
this should make a small explosion and cause sparks to jump around!