Look at some of those home improvement stores for firewood that changes color. It'll say on the package that the flames will be different colors.

the colored sunday funnies will add color for a little while so will the advertisements as the color chemicals burn off in the flames.

Oh, what fun! They sell stuff to do this very thing.

Check out this page from Google:

http://www.goog…

Here's an actual product to try:

http://www.nort…

Can we roast marshmallows too?

Best Wishes

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Use Walnut, it burns green and red. It is also known as a yuletide log. Good luck.

My friend uses 4" sections of copper pipe cut into about 6" sections that make a pretty green color. But any size copper will do .