How To: Clean dirty coins using multiple methods

Kevin demonstrates multiple methods to clean dirty coins.In the first method he takes some coke in a glass and hangs a dirty coin in it with the help of a string. This coke technique takes a few hours.In another faster technique which takes only 20 to 30 minutes he takes table salt and food vinegar. He takes the table salt and dissolves it in vinegar in a bowl. When most of it is dissolved he drops a dirty coin in it and waits about 20 minutes.Another method is to rub toothpaste on the coin f...

How To: Build a Simple High-Powered Water Rocket Launcher

There are plenty of things you can use at home to make your own rocket, like sugar, matchsticks, or even trash. They may not be as impressive as a real rocket, but they can still be a lot of fun. In this video, How To Lou shows how he made a high-flying water rocket out of some basic materials like PVC and a soda bottle. As Lou points out, the bigger your soda bottle, the further it will go. He used 1/2" PVC pipe, valves, and connectors, as well as some brass adapters. He added an air compres...

How To: Double your Jeep Power Wheels power and speed

So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of realism, if you can handle it. All it takes is a little modification and you'll be wishing you were five again. With a few simple hacks, your son and daughter will be burning rubber, jumping curbs and burying those othe...

How To: Turn a 5MW laser into a 100MW laser

Tired of that dinky little 5MW laser? Turn the power up and convert your 5MW laser into a 100MW laser? A small amount of modification can produce a significantly stronger light coming out of your laser. You will need a small screwdriver (such as a jeweler's screwdriver), needle nose pliers, a soldering iron and some bonding glue to do this properly. This video tutorial will show you exactly how to turn your 5MW laser into a 100MW laser.

How To: Rust a model car to make it look old and beat-up

If you like making miniature models for their own sake or for use in playing Warhammer and other table top games, there may come a time when you want a shiny new model to look like an old rusty model. If you're working with plastic, you've come to the right place, because this video will show you how to give plastic models a rusty look that will blend them into your post-apocalyptic or just plain derelict scene.

How To: Install traction bands onto Power Wheels tires

So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of realism, if you can handle it. All it takes is a little modification and you'll be wishing you were five again. With a few simple hacks, your son and daughter will be burning rubber, jumping curbs and burying those othe...

How To: Build a rubber band powered mini car launcher

What is it about boys and toy cars? Speed, motors, and lots of fun! In this video, Kipkay shows us how to make a mini toy car launcher that is powered by rubber bands. Make sure an adult supervises this project, as power drills are required. Once it's completed, your kid will have a blast with his or her Hot Wheels and some rubber bands. Don't forget to download the PDF of the project before you start.

How To: Remove money from the cash box in a slot machine

If you have a casino, or maybe just a single slot machine, chances are you're making money. But how do you actually get the money from the slot? All of that cash will sit in there for ages if you don't retrieve it, and it could cause a malfunction if not removed in a timely manner, because of getting too full. This video will show you how to remove money earned from the cash box in a casino slot machine. There's two ways to access the cash box in a IGT S+ model slot machine, so check them bot...

How To: Clean your American Girl doll's skin with a magic eraser

In this video, we learn how to clean your American Girl doll's skin w/ a magic eraser. First, soak your Mister Clean Magic Eraser and then squeeze the water out. From here, undress your doll and put its hair up. Then, take the eraser and rub it onto the doll's skin to clean it. Rub it gently and scrub any parts that are especially dirty. If this isn't working, add on some baking soda and scrub it further until all residue is gone. Continue to do this throughout the entire doll and then when f...

How To: Simulate brick wall effects for dioramas

Here are some examples of brickwork for dioramas or war game terrain. Create a fine grit coating for foam carvings using a mixture of white glue, paint and fine sand. Press in brick patterns into foam, or if working in smaller scale, you can coat cardboard with a thin coat of plaster. Find old pieces of dry flat wood to create miniature slats of wood for sides of a barn or haunted house.

How To: Build a samurai katana sword out of cardboard

The katana (also known as the samurai sword) originated in Japan's Muromachi period (1392–1573). These curved blades are known worldwide for their elegance and craftsmanship. But if you can't afford your own antique model you can create your own reproduction using junk you've probably already got in your garage.

How To: Build a semiautomatic Lego gun

Most Lego guns require you to feed ammo, or at least cock the gun, every time you shoot. Not so with this model. This video features step-by step instructions and a demonstration of how to build a semiautomatic Lego rubber band gun quickly and easily. Never lose a Lego rubber band gun war to your friends again with the increased firepower of this semi-auto Lego shooting machine.

How To: Clean a penny using vinegar and salt

In this video, Do It Your Self Central demonstrates to viewers how to clean a dirty penny by using common household products, namely vinegar and iodized salt. He suggests to put 1/2 cup vinegar and 2 teaspoons of iodized salt into a cup. This solution will be used to clean the penny. He demonstrates the power of the solution by holding the penny into the mixture for a few seconds. After only a short time, he shows the dramatic change between the portion that was dipped in the solution and the...

How To: Make a semiautomatic Lego rubber band gun

Semiautomatic fire is practically a necessity for modern firearms. This video features a tutorial on making your own semiautomatic gun, but instead of metal, you will be working in Legos. If you can get past the cheesy music, this is a very cool little gun, and it will allow you to annoy your friends and family with great accuracy.

How To: Recycle plastic bottles to make a toy windmill

In this tutorial we learn how to recycle plastic bottles to make a toy windmill. First, cut the bottle in half so you just have the cap end of it. Then, use the scissors to cut strips in the plastic, all running next to each other. Once you have all of these cut, pull the strips out so they are flared away from the cap. Then, twist these so the are all going backwards from the cap and place a stick on the bottom of these, connecting with the cap. Now you can use these as a toy windmill, enjoy...

How To: Build a spy periscope

This video is to show you how to construct a super cool spy gadget! You'll need some toilet paper tubes, tape, scissors, glue and an old CD. Then, just like that you'll be able to make home made spy gear in no time.

How To: Make a diamond shaped traditional kite

This is a very traditional kite you can make. Takes a couple of sticks and a plastic bag, add some string and masking tape and you are ready to go. This video tutorial shows how to make the classic diamond shaped kite, it's so quick and easy. Watch and learn how to make your own kite.

How To: Make a bridle and fly-line for your kite

You can't fly a kite without a bridle and fly-line, so let this instructional how to video show you the ABC's of kiting. For this project you will need: garbage bag, wooden dowels, cloth tape, ribbon, scissors, magic marker, yard stick, and a pencil. Have fun creating your kite with an adult helper.

News: World's First 3D Printed UAV Takes to the Skies

The use of unmanned aerial vehicles (UAVs) has been widely used by the military for surveillance and reconnaissance missions—even armed combat. But there are other beneficial applications of an unmanned aircraft, such as search and rescue operations, scientific exploration, locating mineral deposits, transporting goods and even filming bikini models. But drone development can be pretty pricey, unless you just happen to have a 3D printer...

How To: Snap your fingers

For most people it's just reflex, but some never learned how to snap or snap properly. This incredibly clear and detailed video tutorial explains the mechanics of snapping. Watch and learn, or learn how to better than you already do.

How To: Waterproof a remote controlled vehicle

If you call yourself a hobbyist or a kid at heart, you know that remote-controlled vehicles are more than just fun. If you're a serious R/C man, you'll know all about doing everything to your model truck or car, like fixing wheels, vamping the pinion gears, waterproofing, troubleshooting, electronic diagnostics, setting up, programming and finally... racing. As much as you know about these remote-controlled vehicles, it will never be enough, you'll always be looking for more...

How To: Build your K'NEX Pirate Ship Park

K'NEX is one of the most popular construction toys on the market, right next to Lincoln Logs and LEGOs, but what makes K'NEX stand out is the fact that children can build mechanically derived toys. Instead of blocks or little logs, kids use interconnecting plastic rods and connectors, which give them tons of contraptions to build and play with. Today, K NEX has even more possibilities with wheels, pulleys, panels and flexi-rods to make amusement park roller coasters, airplanes, animals, bikes...

How To: Make your own Mentos & Diet Coke rocket

Want to make your very own diet cola & Mentos rocket? Sure, you could probably figure it out yourself with a little bit of trial and error, but why be wasteful? Especially when the project is already wasteful by design. Better to follow this video guide, which presents a complete overview on how to build your own Mentos & soda-powered bottle rockets.

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