How to Make a Non-Toxic Smoke Bomb
- 1
Common table sugar is a primary ingredient in this smoke bomb recipe.Jupiterimages/Polka Dot/Getty Images
Combine a mixture of 60 percent KNO3 and 40 percent sugar in a cup, add the lid, and shake the two together to form a homogeneous mixture. The mixture should not exceed 100 grams. - 2
Use a hot plate outside while cooking the mixture; if it's overcooked, it can ignite.Hemera Technologies/PhotoObjects.net/Getty Images
Pour the mixture into the saucepan and set the plate to a medium-high temperature; stir the chemicals consistently and scrape any material on the bottom. - 3
It might look like peanut butter, but don't eat it.PhotoObjects.net/PhotoObjects.net/Getty Images
Heat the mixture until it has the consistency of peanut butter and remove the pan from the plate. - 4
Smoke bombs in the making.Ryan McVay/Digital Vision/Getty Images
Scrape the mixture out and fill the cardboard tube. Several batches will be necessary to fill the tube completely. About 3/4 of the way through the tube, set a fuse inside and apply the material around it. The mixture hardens after about five minutes, so be prepared to insert the fuse quickly. Once the tube is filled, the smoke bomb is ready.
Source...