I'm trying to create a fuse simulation I am trying to simulate a fuse burning up to a bomb then do an explosion with the bomb. But I can get only so far with the fuse. I am having brain freeze when it comes to getting the sparks off the fuse end to show along with the object used to simulate the fuse before burning to go away after it has been "burned". 

I am thinking of using a curve type to have the fuse follow it (but have not implemented that yet. nor do I know if I really need to yet, I haven't gotten that far yet.)

I have the sparks set up and working but the object pieces being used to simulate the fuse are too big when the particle system explodes them. 

Wondering how do I decrease the size of the object particles? 

file included to give you a better idea of what I am talking about that I am in this post. 

oh I had a baked cache on that particle system file so you might want to look at that before running it. 



I've gotten this far so far, still trying to work out an longated object to look like a fuse then have it looking like it is actually burning away as the fuse sparks move down towards the bomb. 

the cure does not allow keyframes on its x,y,z dimensions so I can srink it as it goes along the path . having given it a shape, or using the curve modifier.
One technique for eroding the fuse would be to keyframe the Bevel Factor of a bezier curve.

The reverse of Animate Extending a Curve .