I've actually had this idea for quite some time now and this Spy Challenge gives me the perfect opportunity to share this idea with you because whats more extreme then portable handheldfire. If you don't know what a Molotov is I'm sure the internet can help you out, but either way the Molotov cocktail does have a long and interesting history but to my surprise I haven't found anyone else mention this little idea of mine.  

Step 1: Baking Goods

First thing you will need to do is to make sure that you have all of the ingredients and equipment required in making colored smoke grenades, which are as follows.
Sodium Bicarbonate
Heat Source
Pans and utensils for mixing
Glass bottle and lid for throwing
Gasoline or other similar combustible liquid
Means of Ignition