Fireworks are fantastic for holidays, celebrations, or just a thrilling afternoon. But how can you make them from the comfort of your own home? While crafting airborne explosives isn't advisable, there's plenty of exhilarating, fiery fun you can enjoy right in your backyard. And guess what? We've got you covered with all the details! Dive into our comprehensive guide to crafting homemade fireworks.
Important Considerations
- Making aerial explosives at home is illegal and extremely unsafe. However, there are still plenty of exciting fireworks you can create using household items!
- Experiment with potassium chlorate to make sparklers and treat yourself to a dazzling display on Independence Day.
- Impress your friends with glow snakes or smoke bombs, showcasing the magic of chemistry. You'll likely find most of the ingredients right in your kitchen pantry.
Essential Ingredients
How to Craft Sparklers
- 300 grams (11 oz) of potassium chlorate
- 60 grams (2.1 oz) of aluminum filings or shavings
- 2 grams (0.071 oz) of charcoal
- 1 teaspoon (4.9 ml) of dextrin
- 9 teaspoons (44 ml) of water
- 500 grams (18 oz) of strontium nitrate (optional, for red color)
- 60 grams (2.1 oz) of barium nitrate (optional, for green color)
Creating Glow Snakes
- Sand
- High-proof alcohol like Bacardi 151
- 1.5 grams (0.053 oz) of sugar
- .375 grams (0.0132 oz) of baking soda
Making Smoke Bombs
- 128 grams (4.5 oz) of sugar
- 192 grams (6.8 oz) of potassium nitrate
Procedures
How to Make Sparklers

Combine potassium chlorate, aluminum filings or shavings, and charcoal in a bowl. Blend together 300 grams (11 oz) of potassium chlorate, 60 grams (2.1 oz) of aluminum filings or shavings, and 2 grams (0.071 oz) of charcoal in a bowl. Use a spoon to ensure thorough mixing of the powders until they're evenly distributed.
- Use a digital scale for precise measurements.
- Break up any clumps in the powder for thorough mixing.
- Note that potassium chlorate may be difficult to find for some. Local science shops and pharmacies can be good sources.

Incorporate dextrin and water into the mixture until it forms a moist slurry. Mix 1 teaspoon (4.9 ml) of dextrin with 9 teaspoons (44 ml) of water in a cup. Add a small amount of the solution to the dry mixture and blend. Gradually add the water and dextrin mixture in small increments until the contents of the bowl resemble a thick, molasses-like consistency.

To achieve red sparklers, incorporate strontium nitrate. The sparklers will naturally burn white, but if you desire a red hue, add 500 grams (18 oz) of strontium nitrate to the mixture.
- If the mixture becomes too dry after adding strontium nitrate, add a bit of your water-dextrin solution to restore its consistency.

Create green sparklers with barium nitrate. Instead of strontium nitrate, use 60 grams (2.1 oz) of barium nitrate for green sparklers. Ensure thorough mixing for uniform distribution.
- Keep the mixture moist by adding more water and dextrin if it becomes too dry.

Dip wires or sticks into the mixture, leaving space at the end for gripping. Use wire or wooden sticks as handles. Dip each one into the mixture, covering the top ⅔ completely. Leave the bottom third untouched for a comfortable grip.
- A stick length of 10 inches (25 cm) works well, with at least 4 inches (10 cm) reserved for the handle.

Allow 24 hours for the sparklers to dry and harden. Place them in a dry area away from flames or sparks. You can use a shoebox to hold them upright during drying if desired.
- Laying them flat while drying is also effective.
- Do not handle until fully dry to prevent detachment.

Light the sparkler by placing the covered end into a flame. Hold the uncovered end as a handle and ignite the covered end. Ensure compliance with local laws and exercise caution.
- Keep the sparkler away from your body and extinguish it completely in water before disposal.
Creating Glow Snakes

Place 1.5 grams (0.053 oz) of powdered sugar in a bowl. Pour the sugar into a medium-sized bowl suitable for stirring. Ensure it's powdered white sugar before proceeding.
- If you lack powdered sugar, grind up table sugar in a coffee grinder.

Incorporate .375 grams (0.0132 oz) of baking soda into the powdered sugar and blend well. Thoroughly mix the sugar and baking soda with a spoon before proceeding to the next step.

Form a sand mound on a plate and create a hollow in the center. Pour sand onto the plate to create a small mound. Then, press your index finger into the top to make a depression.
- After completion, the mound will resemble a donut shape.
- Ensure the depression reaches the plate's surface at the center of the mound.

Moisten the sand with high-proof alcohol. Apply alcohol to the sand with a proof higher than 80. The higher the alcohol's proof, the easier it ignites, so opt for extremely high-proof alcohols.
- Apply enough alcohol to moisten the sand without distorting its shape, approximately 1 tablespoon per 1 cup of sand.

Fill the depression in the sand with your baking soda and sugar mixture. There's no need for precise measurements—just make sure to fill the hole completely.
- Congratulations, your glow snake is now ready to be ignited!
- Once the snake is lit, refrain from adding more alcohol to avoid igniting the bottle. Also, keep flammable items, like your bottle, at a safe distance from the glow snake.

Ignite the wet sand with a flame. The glow snake doesn't have a wick, so simply use a match or lighter to touch the flame to the alcohol-soaked sand. The sand will ignite first, followed by the expansion of the snake.
- Step away from the glow snake immediately after lighting it.
- Be cautious about where you ignite the glow snake, as it may grow larger than the plate it's placed on!
- Looking for more firework fun? Explore these thrilling guides on making homemade firecrackers and crafting flash powder.
Crafting Smoke Bombs

Form a mold using aluminum foil. Wrap aluminum foil around the bottom of a soda can, then remove the can to retain the shape.
- Shape the aluminum foil so that the opening faces upward, then set the mold aside.

Pour 128 grams (4.5 oz) of granulated sugar into a skillet. Use a dry measuring cup to accurately measure the sugar. Pour it into a standard 12-inch (30 cm) skillet, but refrain from applying heat at this stage.
- Avoid using a liquid measuring cup, as the measurements will differ.

Introduce 192 grams (6.8 oz) of potassium nitrate into the mixture. Add the potassium nitrate to the sugar, then blend the two powders together thoroughly using a wooden spoon.
- Ensure that the ingredients are evenly mixed for optimal results.
- Once mixed, spread the mixture evenly in the pan.

Heat the pan gently while stirring the mixture. Place the pan on low heat and stir the ingredients slowly with a spoon. As the sugar melts, it will gradually combine with the potassium nitrate.
- Continue stirring as the mixture caramelizes and turns brown.

Take the mixture off the heat when it becomes liquid. Once the sugar and potassium nitrate have melted and formed a liquid sludge, remove the pan from the heat source. Stir continuously as you remove the mixture from the heat.
- Act quickly, as the mixture will start to harden once off the heat.

Transfer the liquid mixture into the foil mold. Pour the mixture carefully to avoid spills. Fill the mold with a thick layer of the mixture, leaving the remaining mixture aside for future use.
- If there's extra mixture, you can always make another smoke bomb later.
- Avoid touching the foil while the mixture is hot.

Allow the smoke bomb to cool overnight before removing it from the foil. Leave the mixture in the foil overnight, then peel it off the smoke bomb in the morning. The smoke bomb is highly flammable and does not require a fuse.
- Do not ignite the smoke bomb indoors or inhale the smoke it produces when lit.
- Exercise extreme caution when lighting the smoke bomb, as it may generate more smoke than anticipated. Ensure ample open space!

Light the smoke bomb using a flame. The smoke bomb does not have a fuse. To ignite it, simply use a lighter or match to ignite any part of the mixture, then place the bomb on a flat surface to burn.
- Although the smoke bomb may not produce a visible flame, it's crucial to keep it away from flammable materials as a precaution.
- Avoid holding the smoke bomb while it is burning.
Pointers
Cautions
- Always have a fire extinguisher nearby when using fireworks.
- Never hold ignited fireworks in your hand.
- Wear eye protection whenever lighting fireworks.
- Check local regulations regarding the creation and ignition of fireworks before attempting any of these activities.