Ever wanted to mod your sprinkler valve for a pneumatic cannon gun? Well, see how to do it, right now. With just a few simple tools, your pneumatic air device will be more than you expected.
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.
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!
Want to turn a good idea into bad one? Make a flamethrower, then accidentally catch yourself on fire... wait, you couldn't possibly do that, could you? No.
Check out these step-by-step instructions on how to modify a RainBird CP-100 Sprinkler Valve for use in a pneumatic cannon (spudgun). Or, if you so desire, you can put the modified sprinkler valve in a golf ball cannon like in this video (see the test shot at the end). Just get rid of the solenoid on the valve, pull the cover off, modify a few things, and attach your blowgun. Then, attach the valve to your spud gun, or golf ball gun, whatever, and see it chop through some plywood. This is ver...
How to make a homemade black powder M-80
This is my mini, but insanely powerful Scorpyd crossbow. It took me two weeks on and off to make this miniature crossbow, and it's stronger than original crossbows due to its design (scorpyd)—it's way more powerful than my other crossbows, like my mini wooden crossbow.
In this tutorial, we learn how to make a simple rubber-band slingshot. First, grab a strip of paper and fold it up in small folds until you reach the top of it. After you do this, fold it up to more times to get the thickest and smallest piece of paper you can get. Now, take your rubber band and place it between your thumb and pointer finger. Now, place the paper in the middle of the rubber band, then pull the rubber band back with your other hand and the paper will go into the air. Be carefu...
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?
How to make arrows from a skewer crossbow explode! First see how to make a crossbow: http://youtu.be/4IZVm6iCA40
Tennis balls make great ammunition for all kinds of store bought and DIY launchers, cannons, and slingshots. If you prefer to make such things yourself, this video will show you how to make a really cool tennis ball launcher out of a soda can, rubber bands, zipties, and a plastic bottle. If you use tense rubber bands these babies can launch a tennis ball far and hard.
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...
In this video, you will learn how to make a homemade water-powered rocket. This water rocket will shoot nearly 80 meters, just with a few simple household items, like... a plastic soft drink bottle, a cork, an air pump with a nozzle, water and a launch pad.
Looking for a way to make your knife stand out? You can make your own paracord grip handle, but if you're looking for something a little flashier, how about a glow-in-the-dark handgrip?
Hey, remember the awesome paper gun bloodbath we covered earlier this year? We were wondering, what does it take to recreate your own tank and weaponry with nothing but cardboard, paper, and PVC? Luckily, our curators were able to find out.
Making small, nonlethal firearms out of desktop materials is one of the most fun things a student can do in a boring class, and there are a millions ways to do it. This video will teach you how to make an awesome semi-automatic pen gun that will annoy your friends much faster than the single-shot models seen elsewhere.
Every day of the week, WonderHowTo curators are hard at work, scouring the web for the greatest and most inspiring how-to videos. Every Friday, we'll highlight our favorite finds.
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.
Check out this video on how to build a homemade rubber band crossbow. Yes, a rubber band crossbow. What, did you think you were going to go hunting with this thing? Only if your hunting wasps.
Jesse Hensel is here with the follow-up video to "How to Build a Sling". This time he is going to show you how to shoot it. Good luck and don't shoot your eye out!
Step up your school supplies weapon-making skills with a small homemade crossbow. Watch this video tutorial to see how to make a crossbow out of school supplies.
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.
Before you try and build this DIY taser, beware— you could go to jail if you go around tasing people with it. Just having one could give you a fine, because they're not legal in some cities and states. If you still want to make one, proceed ahead.
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.
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.
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.
To make a toothpick crossbow you will need : one rubber band; a mini saw; one long wooden meat skewer; a marker pen; a toothpick; scissors; duct tape; a hot glue gun; drill bits and a drill; a clothes pin with metal. Take the metal part away from the clothes pin and discard it. Place the pin parts back to back and draw a line at each end. Then draw a line down the inside surface of each half. Saw along this line without cutting the wood entirely. Ensure that your skewer passes through the hol...
This miniature crossbow is great fun for target practice, and made solely from household items. It's really simple to make and easy to shoot. And you can even combine this with the flaming arrows I showed you how to make before. Materials Needed
I had used the extra parts from my DIY Canon shutter release how-to to make this. It is very easy to do and only took me about 10 minutes—and costs nothing! This doesn't hurt; sometimes I can't even feel it! The closer you are to a vein, the more it will shock you.
Want to shock the hell out of a home intruder? This tutorial video shows you how to build a booby trap for your front door out of a mere mousetrap. The loud snap sound this device creates is sure to "scare the hell out of any intruder." It's just like having a gun around the house. Your mother won't let you put a lock on your bedroom door? Well, this gunshot sound is sure to change her mind. Oh, and don't forget to be safe!
A professionally manufactured flamethrower is relatively safe, but grossly expensive. But most homemade flamethrowers tend to be extremely dangerous and fire hazards. Except this one. Though still somewhat dangerous, it's one of the safest DIY flamethrowers you could make.
In this tutorial, learn how to make a powerful bolt for a crossbow. This process is easy and can be done quite quickly. Even though this bolt is easy to make it is still quite strong so be careful around people and animals.
Usually, miniature weaponry is constructed by fantasy hobbyists that have a fascination with toy-sized replicas and miniature wargames, like Warhammer or Gear Krieg. These handmade bite-sized weapons are just for show, accompanying their mini-armies with no actual functionality. But a different kind of hobbyist is showing us that miniature weapons can not only be small, but completely functional as well.
This how-to video shows how to use core-less paracord to make a round braid. Working with eight strands is demonstrated but the same technique will work from 4 to 16 strands. This is the first step in learning how to make your own whip and what is more fun than using nothing but muscle power to drive a bit of string through the speed of sound? You can also make it as a paracord lanyard, belt, hatband, bracelet, etc. Always wear eye protection around paracord. Watch this video specialized weap...
Everyone recognizes slingshots - they remind us of Dennis the Menace, Leave it to Beaver or another precocious TV kid. Slingshots are classic weapons - they are easy and cheap to make and can be pretty effective if used right. In this video, learn how to make an inexpensive slingshot out of common household items. Just follow along with this step by step and you will be slingin' in now time!
This video demonstrates how to make a rock sling similar to one that would have been used in the Bible story about David and Goliath. The sling is made out of one piece of rope. An intricate knot is made in the rope to serve as the pouch that holds the rock. The video shows slow, step-by-step instructions for how to weave and tie the knot in the center of the rope so that it looks like a small basket about 2" wide. Make a finger tether at one end of the rope. This video can be used to make yo...
In this video, learn how to turn a cheap disposable lighter into a flame thrower! All you need is a lighter with an adjustable flame and a little know-how to get started. Follow along with this quick tutorial and start tossing fire all over the place. Be careful!
Watch this how to video to see how to make a deadly blowgun with equally deadly darts. So, gather up your materials, like tape, small nails, superglue, a magazine, PVC, etc. and get started assembling this awesome blowgun.
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.
Learn how to make your very own pepper spray from household items! It's simple, it's cheap and it's safe, not to mention great for self-defense!