There are plenty of affordable Tesla coils you can pick up to use in the classroom or at home safely. We have already covered how noble gas ampoules are great for these experiments. This Neon Living Fire Stick takes it to the next level. It is a neon filled stick with tiny balls that comes to life when you get it close to a Tesla Coil.
As you can see in the above video, when you get this neon stick close enough, it look as though fire is breathing through it, hence the name.