Sparklers are wires that are coated in pyrotechnic material and iron fillings. Once lit, they emit a tiny amount of sparks that move down the wire for about 20 seconds. [3] X Research source
Supervise your children so that they do not exceed a safe limit. 72 sparklers are enough to make a dangerous bomb blast. Read the labels and keep well below 50 milligrams of flash powder, the explosive content in firecrackers that is illegal under the Bureau of Alcohol, Tobacco, Firearms and explosives. [4] X Research source Arrange them so that they are all facing the same way and tape them at the bottom where the is no longer any pyrotechnic material. Wrap the bundle in tape 2-3 times, leaving an inch or so of the coated end exposed. It should now look like a cone.
Make sure there is nothing flammable around the detonation area. Make sure all pets and toddlers are secure and accounted for because you do not want them suddenly darting onto the scene.
This mixture can be very smokey. Add aluminum or titanium flakes to the mixture for a more distinct glow.
Do not use acrylic yarn.
If you do not have time to air dry the yarn, dry the yarn in your oven at 300 °F (150 °C) for about 20 minutes. Remember to watch the yarn. Open the oven and use tongs to shuffle the yarn off the pan after 5-10 minutes to prevent them from sticking.
You may need another sparkler or butane torch to light these sparklers so be sure to wear the proper safety equipment and take the proper precautions.
