step 2Shredding the Foil
You'll need to take ten sheets of foil the length of your forearm and shred them into smithereens. I suggest shredding into strips.Once you are done, you're ready for the fun.

step 3Load the Barrel
Add all the steel balls to the barrel. Then loosely pack a big handful of the shreds in.After this is done, add 1 tablespoon of charcoal powder.

step 4Grinding Process
Now seal the barrel and set it on the Rock Tumbler. Turn it on.Within an hour, the confetti will have been smushed into a mess of aluminum grains. Top off the barrel with more aluminum confetti and continue running the tumbler.Keep grinding and adding more aluminum until the barrel has been fille…

step 5Extract The Product
At the end of the 6-7 days, turn the tumbler off. Remove the barrel from the motor assembly and place it on a piece of paper. Carefully remove the top from the barrel and slowly pour the contents out onto the paper. Don't make a huge mess. And don't inhale the dust.Now get that large magnet I men…

step 6Jar It Up
Get glass or plastic jar large enough to hold the powder. I suggest you put a detailed label on it like I did with mine. Pick up the paper by its two ends and bring them together. Then carefully pour the powder into the jar. Don't make a huge dust cloud, as these are unpleasant to have lingering.

step 7You're All Done!
Congratulations! You're successfully made German Dark aluminum powder! Use it in all kinds of pyrotechnic compositions, including fountains, sparklers, and flash powder.Feel free to post pictures of your batches, I'd like to see!Now, play safe!