How To: Take apart a laser pointer

Have you ever had a combination of extreme boredom and an unrelenting curiosity? If so one thing you may have attempted to do is to take apart or "de-engineer" a common office laser pointer. In this online video we are shown how to take apart a cheap laser pointer. It should be noted if you are going to attempt to do this you should only try it on a laser pointer that is inexpensive so your loss will not be great if you should make an error.

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: Build hot air balloon out of a garbage bag

This is a simple and easy tutorial, and anybody can build a hot air balloon out of a garbage bag by following the instructions in it. All one needs is a garbage bag, some stiff industrial wire and fire starter bars. The important thing, according to the author, is to judge how many fire starter bars will be required to make the balloon rise without melting its plastic body. First, two long wires are twisted together in the middle to make an 'X'. A smaller wire is twisted onto the middle of th...

How To: Make your own mylar balloon

Mylar balloons are the best party favors. They are big and shiny and last longer than normal latex balloons. In this tutorial, learn how to make a mylar balloon at home, from scratch. Stop spending so much money at the party store, and next time you have a big event, make your own! Not only will you save money, but it will give your party a cool personal touch.

How To: Replace the blade of a utility knife

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. This is an instructional on utility knives that are used to cut foam board and cardboard. The blade replacement is integral to this craft or hobby tool's maintenance.

How To: Build a looping rolling marble machine with magnetic elevator

Wow! No longer do you have to buy those huge marble machine roller coaster toys — you can DIY one! This video covers the materials, tools and techniques used to make a homemade rolling ball marble machine. If you haven't seen this rolling ball marble machine toy in action yet, WATCH IT. It's a looping rolling marble machine made with wood, rebar tie wire and polyurethane tubing, featuring a magnetic elevator.

How To: Power a toy car with a balloon

Karthik Raj and Nishant explained about a air balloon car in this video. You just need 4 or more things to make the air balloon car. You need two rubber bands, one pen, two toy cars, and one air balloon exactly to do this air balloon car. First of all, you just take the air balloon and fix it one side of the pen which is opened two sides. Next place the pen on the top of the toy car and tie with a rubber band and make sure that the rubber band is in the middle of the toy care and not in the t...

News: Flying Pegasus Operated with LEGO Gears & Cranks

Korean MOC Pages user Kyoung-bae Na, aka edulyoung, constructed this beautiful LEGO automaton of a winged Pegasus. Maneuvered with a series of mechanical LEGO gears and cranks, watch below as Pegasus "hovers", flapping her wings. Kyoung-bae Na sells his creations out of his e-shop, Studio Amida. The Pegasus automaton was previously going for $140, but is no longer listed; however, there is a clownfish currently available for the lower price of $33.50. The models are so fantastic—it makes one ...

How To: Build your K'NEX Starburst Spinner Thrill Ride

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: Build a LEGO pick up truck

In this video, we learn how to build a LEGO pickup truck. First, you will need to lay out all the parts that you need to build the truck. This includes small and large parts that are in gray and white colors, as well as wheels. Start off by building the middle of the car, making room for the wheels to fit in. After this, start to add on the blocks that go on the back and the front to make the headlights and different features on the truck. Add on the block for the windshield, then add on the ...

How To: Make an air vortex cannon

You've seen what a vortex cannon can do, so now it's time to build your own! Okay, this air vortex cannon is not huge, but it's definitely a fun thing to construct if you have some junk plastic laying around, and it works really well for its size. Grab a cheap plastic container and follow along to the video instructions and build yourself a homemade vortex cannon!

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