If you want to make flash powder or black powder for your own fireworks show, you're probably going to need some potassium nitrate, which is KNO3, or saltpeter. Potassium nitrate can be bought online, or at your local hardware store in the form of saltpeter, like Grant's Stump Remover and Spectracide's Stump Remover.
This video explains how to make a bomb at home by using some simple items. This can be done by taking some potassium and some sugar. Then mix the both in a tub. Then place 2 lighter gas cans on the mixture. There you have a home made bomb. This can be used as some fireworks in a party or in beaches to celebrate an occasion. This is just for fun purpose and most importantly it should be used in open spaces only.
Some of the most distinctive tools of the ninja in popular culture are the smoke bombs they throw at the ground the instantly go off without lighting them, yielding a dense cloud of smoke through which they escape. This video will show you how to make ninja smoke bombs at home you can use to make yourself vanish. Very useful for family gatherings and corporate meetings. Active ingredients include stump killer and matchheads, both always fun.
Ammonium nitrate is a dangerous explosive found in a surprising number of household items, including cold packs and fertilizer. This video demonstrates a relatively safe application of this chemicals powers, the construction of a homemade smoke bomb. In this case, the ammonium nitrate comes from cold packs, and is first dissolved in water in a bucket and then absorbed into a newspaper, which forms the body of the bomb. The massive amount of smoke produced is very impressive relative to other ...
The simple adjustments shown in this video can increase the power of your airsoft gun dramatically. Follow these instructions and learn how to upgrade your own airsoft gun by replacing the spring with a more powerful one. A better spring with force more air into the chamber and increase the FPS of your projectile.
This DIY pistol crossbow is very dangerous, so make sure you use extreme caution after construction. You don't want to DIY yourself a jail sentence!
Ping pong balls can do a surprising amount of damage when they hit someone, as any Polish Ping Pong player knows, and launcher them effectively is great fun. This video will show you how to make the Ping Ponger, a ping pong ball launcher made almost exclusively of PVC pipe.
What kind of fireworks will you be handling during your Fourth of July celebration? Firecrackers? Torpedoes? Roman candles? Homemade aerial ball shells with a potassium nitrate, charcoal, and sulfur mixture?
Acetone peroxide is a primary high explosive. It is the product of the reaction between hydrogen peroxide and acetone and is an acid catalyst. It is notable for being a high explosive that does not contain nitrogen, but is very unstable and typically too dangerous for practical uses in an impure form. The oxidization that occurs when burning is:
This bomb is far better than any of the simple bombs on this website and all the equipment can be bought in a supermarket. So, have fun!
This article is written for those of you who are not satisfied with just having a sharp knife, and for those of you who would like to make your knife as sharp as the devil himself. There are many ways to sharpen a knife, and my method is just one of many, so before we begin, let me explain the pros and cons of this particular sharpening method.
In this video, learn how to make an easy & cheap home made gun silencer. Materials you will need include: aluminum steel, screen material, a sponge/steel wool, and string or thread. Spray paint is an optional item, in case you'd like to customize it. Good luck with your project!
This is a detailed description and demonstration on how to make a Molotov cocktail. Molotov cocktail, mockingly named after Vyacheslav Molotov, is the generic name for a variety of improvised incendiary weapons, also known as the petrol bomb, gasoline bomb, or Molotov bomb. Simple to make, they are frequently used by rioters.
Air guns aren't that expensive or hard to come by, but for the DIY inclined that doesn't always matter does it? This video will teach you how to make an awesome metal air gun that holds 120+ psi and shoots either ball bearings or blow darts. One of the easiest to make and most powerful homemade air-based weapons out there.
The RGD-5 hand grenade is a post World War II Russian anti-personnel fragmentation grenade. It is still in service in many of Russia's former client states.
In this video tutorial, you will learn how to make a high-powered stun gun out of easily obtained supplies. This easy to find materials would be some wire strippers, some wire, needle nose pliers, rubber gloves, a knife, scissors, a screwdriver, and an old disposable camera. Once you make this powerful taser (or stun gun), be careful, because this device delivers a VERY powerful shock.
Sparklers are fun, but you can actually step up those mini handheld fireworks into something fit for a pyrotechnics show — as long as you're being careful and extra cautious. With the right technique and safety in mind, you can turn a few packs of sparklers into a crazy sparkler bomb that actually explodes.
The video will show you how to make a bomb using chlorine and alcohol. Take 2-3 tablespoons of powder chlorine and put it in an ice mountain bottle or a plastic bottle. Add about 1/4 a cup of clear rubbing alcohol. Screw on the lid and shake a couple times until it makes a crackling noise. If you're just testing the bomb, set it down somewhere safe so no one gets hurt. The alcohol will start to boil and turn yellow. It gets really hot, and the bottle will expand a lot and then explode!
Bored at home? Kick your day off right by getting creative and making your very own homemade crossbow! Learn how to make this weapon with materials readily available at your local hardware store and just a few hours of your time.
You want a balisong knife, but don't want to buy one? Well, this weapons video tutorial will show you how you can build your own. Just sit back, relax, don't cut yourself, and see how to build a homemade butterfly knife.
This is the coolest homemade missile launcher ever!! Shoots Estes rockets better than any other! Just a trip to a hardware store and a electronic store, and you could be shooting missiles off of your shoulder in no time.
This project is a pyro's dream! In this tutorial, learn how to make a bottle rocket style firecracker at home in less than 5 minutes! This firework can be made with common household items and packs a pretty nice pop! This fun activity is an interesting way to get around all of those anti-firecracker rules and still have a fabulous Fourth of July.
In this video, you'll see how I built a 50-pound crossbow with a trigger, crossbow limb, and a rifle design. This took me 6 months to make, but it's finally done! This homemade wooden crossbow is made from 3 layered pieces of ½-inch pine cut from a jigsaw. All the filing and planing to shape the wood was done by hand, which is why it took so long. You, of course, can speed things up if you have the right power tools.
Check out this video tutorial on how to make nitrocellulose lacquer. Nitrocellulose is a highly flammable material made by treating cellulose with concentrated nitric acid, used for explosives. The lacquer is the spreadable liquid made by dissolving ping pong balls in acetone. To make this nitrocellulose lacquer, good for most fireworks or other pyrotechnic needs, you'll need ping pong balls, an airtight glass container, scissors, 100% acetone, measuring spoons, and a razor.
Zack Lim demonstrates how to make a homemade mini potato gun, spud gun or spudzooka. You will need a bottle as a combustion chamber and a barbecue igniter as an ignition system. First, take apart the barbecue lighter. Disconnect the fuel wire and the electric generator wire from the barrel. Next, drill holes on the bottle for the gas and electrical generator wires. Also drill a hole for the barrel. Take the cap off the bottle. Make sure the cathode and anode of the generator are kept in optim...
This is a video tutorial on how to perform a backhand twirl with a balisong knife. If you don't have a balisong knife, well, maybe you should go out and get one. Butterfly knives are fun, and safe, if you know what you are doing, otherwise you'll hack a finger off. If you're a safe user, see how to do a trick, the backhand twirl with a balisong knife.
Mentos and coke water rocket? Been there, done that and such an old trick. If you're a fan of (relatively) safe explosives but the thought of packing another Mentos into a two liter makes you groan, then this water bottle rocket will be a pleasant alternative.
Smoke comes in many flavors. This video demonstrates the construction of a smoke bomb out of a few creative household items: a soda can, a piece of paper, some body spray, and scissors. This process is unlike the ones used in most of the other smoke bomb procedure videos out there, and is definitely worth trying out if you enjoy this sort of thing.
For those who enjoy launching projectiles at high speeds, this article details how you can build an all-metal piston valve air gun. This device also works as a high-powered water gun.
Simon Phoenix used one in Demolition Man, terrorists got their hands on them in Eraser, and you've probably shot one in Halo, but are electromagnetic projectile weapons more than just science-fiction?
One of the most beloved qualities of Glock handguns is how easy they are to disassemble and how disassembling them varies so little across models. This video will show you how to dis- and reassemble any of the Glock models listed in the title, because the procedure is the same for all of them, using only a ballpoint pen.
Interested in homemade weaponry? In this tutorial, learn how to make an airsoft silencer with materials that aren't too expensive and can most likely be found around your own home. In just a few simple steps, you'll find yourself with your very own airsoft gun silencer.
Do your interests include both chemistry and mischief? If you find yourself at that nexus, then using the instructions in this video to make a smoke bomb in your back yard is sure to be a fun project. The process is more elaborate than some of the other smoke bombs you can learn how to make on this site, but the results are very impressive and doing this project will improve your chemistry skills. Never worry about your opponents seeing where you've escaped to again!
In order to make your own miniature flamethrower, you will need the following: a flammable liquid in an aerosol can, a birthday candle, a rubber band, matches or a lighter, a paper clip, and scotch tape.
This weapons video will show you the fastest, most positive way to disengage the Beretta 92FS slide-mounted safety. If you own a Beretta 92FS pistol, you may want to know how to correctly disengage the safety.
Below, David Ye demonstrates how to make a sick DIY BB gun using an air compressor. Ye says: "I got bored and decided to make a BB gun using my air compressor. The secret sauce is a one way valve that blocks air from the firing chamber but allows air in the other direction to rapidly propel ammo into the gun. This allows me to tube feed BB's, even when the gun is inverted. It's also much faster than gravity feed versions."
Making a fuse with black powder is a simple process and you only need a few things to get it right. You should have Water, Cotton string, and black powder. A slow burning good quality meal powder works best. To start, cut the cotton string to your desired length and dip it into the water. Take the now wet string and coat it thoroughly with the black powder. Then you simply have to let the fuse dry, an oven on a very low setting works well. Optionally, you can dissolve a small amount of potass...
Immensely satisfying, gigantic explosion. Essentially, "A large container is filled with sawdust, a road flare is stuck in the top and some compressed air is released in the bottom of the sawdust container."
Learn how you can make a low price, high pressure airgun with this how to video. This air cannon shoots 25 G. bullets. This tutorial is to be followed at your own discretion. These guns are dangerous.
We've seen guns made out of all sorts of unusual things here at Wonderhowto, but this might be the very first to use Jenga blocks as the main building material. Watch the video to learn, in exhaustive detail, how to make the Jenga pistol from these plans. Carpentry skill and tools required.