How To: Build a simple mouse trap car

In this tutorial, we learn how to build a simple mouse trap car. To do this, you will need: a ruler, two records, a thin metal rod, and a mousetrap. First, you will lay the ruler down to measure out where you are going to place the records. Next, you will hold these into place by using the metal rod in between the two of them. If it's not secure, use washers and glue to keep it in the proper place. Then, attach the mousetrap to the middle of the rod in between the records. This is it! Now you...

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: 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: Build spinning tops with everyday objects

In this tutorial, we learn how to build spinning tops with everyday objects. You will need: round recyclable plastic lids, skewers, hot glue gun, and washers or pennies. First, take your plastic lid and weight it with a penny, then poke a skewer through the middle of it. After this, you will have a top made out of homemade products! You can use anything that is laying around your home to make a top, no matter what it is. Just make sure you have something to place int he middle and the weight ...

How To: Construct a mousetrap car

In this tutorial, we learn how to construct a mouse trap car. You will need: wood, string, wood glue, duct tape, scissors, markers, a mousetrap, wheels, and a drill to do this. To start, you will lift the mousetrap up and tape duct tape around it along with a long stick. Then, tape this to a piece of wood. From here, you will glue together two sticks and then put wheels on the top and bottom of it. Next, you will lay the mousetrap on top of this and then push it. Then it will roll away! You c...

How To: Use heat-shrink tubing, shoelaces or urethane belts for pulley systems

Have a cool mechanical project or tool that uses a pulley system as the main means of working? What are some ways to get the pulleys moving? There's multiple possibilities that are easy on the wallet, including things like heat-shrink tubing, shoelaces and urethane belts. They all make great pulley belts. A good pulley belt material is one that will have a lot of surface contact with the pulley.

How To: Modify your laser pointer

In this video, learn how to modify your laser pointer to make fun, new shapes. This video will show you how to make an extremely cool new toy and impress everyone. Imagine what your class reaction will be when you start pointing to things with a funky shape instead of a typical pointer. Laser pointers are great for presentations, cat toys and just general fun. Why not modify yours and make it your own?

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: 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 a rubber band powered car with CD wheels

In this video tutorial, viewers learn how to make a toy car with CD wheels. The materials required for this task are: 2 thread spools, long piece of thing wood, 4 CD's, 2 screws, 2 washers and 2 bolts. Begin by drilling a hole in the spools and 2 holes in the wood. Then place a washer on the screw. Now place the CD on the washer. Then add another washer and secure it by screwing on a bolt. Now put the wheel through the first board of wood. Then put it through the spool and other wood board. N...

How To: Make a LEGO Menorah

This tutorial demonstrates how to make LEGO Menorah which is used for decorative purposes. First a 1/3 angle brick and a transparent red color stud dot are taken. Then three red cans are taken. Now one of the red can is fixed to one side of the angle brick, leaving the middle open, fix one more can on the other side. The red stud is placed on the middle, on top of which the third can is placed. Now the first menorah is formed which can be placed on tables, walls, etc.

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