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Hot Construction Toys Posts

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 containe ...more

How To : Make a basic hotwire cutter for cutting foam

Hobbyists from many different hobbies, from model aircraft to tabletop wargaming, all need to cut foam, and that means a hotwire cutter. If you have the DIY bent that goes along with most of these hobbies anyway, check out this video for a guide to making your own simple hotwi ...more

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 ...more

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), needl ...more

How To : Make a homemade stirling engine

Are you looking to build a cool home science experiement? Why not try out a Stirling engine? Wait, what IS a stirling engine? Well... a Stirling engine is a heat engine operating by cyclic compression and expansion of air or other gas, the working fluid, at different temperatu ...more

How To : Make a Bridge Out of Popsicle Sticks

Do you have free time? Then build your own bridge out of Popsicle sticks. Bre Pettis goes over the basics of building bridges. As a bonus, you get to watch other people stand on their own bridges and break them. Video: .

News : 160-Piece Arsenal of Life-Sized LEGO Weapons

The LEGO Life-Size weapons flickr group has 160 LEGO constructed weapons- guns, knives, bombs and more. A selection below, click through to view more. (P.S. If you'd like to join the group, here are tons of tutorials for making your own LEGO weaponry.) M4 by The Dawg's Guns. ...more

How To : Make sanity reducing creepy Cthulhu tentacles

Now you too can build your own prop of eldritch horror! Guaranteed to induce a SAN check in anyone who sees it, this tutorial shows you how to build a set of flexible Cthulhu tentacles out of one inch furniture foam, half inch furniture foam, steel wire, pantyhose, one inch PV ...more

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 ...more

How To : Build your K'NEX Shark Run Roller Coaster

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 con ...more

How To : Make a high-powered Nerf Rifle

This is a pretty brief tutorial on how to make your own Nerf Gun. This gun is air-powered and can shoot almost 200 feet. So, why buy manufactured Nerf Guns when you can build your own?

How To : Build your own Japanese katana out of foam

If you're looking to play a samurai or other Japanese inspired character at your next boffer larp, this tutorial is for you. You're shown how to build a foam katana using duct tape, a razor blade, measuring tape, cloth athletic tape, DAP contact cement, liquid craft latex, fab ...more

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 h ...more

How To : Make a steamboat with copper, a candle, & a bottle

First, cut a plastic bottle down the middle the long way. Next, put a little candle in one of the halves. Then, using 1/8 inch copper tubing, make the engine by bending the middle of the tubing around a nail a few times, then removing the nail. Use the nail to poke two holes i ...more

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 ...more

Star Wars : A New Hope LEGO Chess Set

WonderHowTo World LEGO People points us to an amazing chess set made with LEGO Star Wars characters. LEGO fanatic Brandon Griffith of Hollywood, CA, plans to build three different chess sets, one per each original episode. Pictured below is his first completed set, Star Wars: ...more

How To : Make a basic rubber band car

To make a rubber band car you will need one sheet of card stock, four paper clips, two binder clips, one plastic straw, 8 inches of dowel that fits into the straw, two pencils and one rubber band. You will also need four CDs or round pies of cardboard, tape, a ruler and a mark ...more

How To : Turn a paper clip into a jumping toy

Forget school boredom again… a mere paper clip will keep you entertained in study hall, all the time! This video will show you how to make a cool little jumping toy with a paperclip of any size. It's shaped like a triangle and jumps pretty far!

How To : Make a homemade catapult

This is an advanced version of the classic "rubberband and pencil slingshot" that you've probably made a million times when bored in class. Watch and see how to make a homemade catapult out of office or school supplies.

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 ...more

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 ...more

How To : Make a Tesla vortex

Take a journey to the center of a vortex. A beautiful whirlpool is created by the magnetic coupler inside a tall CD cover, driven by the Tesla CD Turbine on faucet water pressure. The Tesla CD Turbine is a little homemade turbine that thinks it can do anything. It's made from ...more

How To : Disassemble a can for its parts

Aluminum cans are useful for various DIY projects, but they can be tricky to take apart. In this video you'll learn how to easily disassemble cans. Materials needed: A can A box opener and scissors 1. Remove the tab from the top of the can. 2. Use hot water to clean the ins ...more

How To : Make an easy switch blade knife

This is an easy to follow step by step video explaining how to make a switch blade out of easy to find objects. This is not a real knife but still has the function of a switchblade.

How To : Make a homemade airgun or "airzooka"

This video shows you how to make your own airzooka with supplies found around the house. By no means is this the definitive model you can build, it just a start. Things can always be improved. It is just as powerful as the other ones. It's just not as pretty.

How To : Make a thin core boffer sword out of latex

An online class on how to build your own boffer sword! Every combat group is different, so make sure this sword is safe by the rules of your boffer larp. This method goes beyond the simple foam and PVC method and teaches you how to use latex to make an awesome looking sword. P ...more

How To : Build a Lego motor car

You can build almost everything out of LEGOS. They are versatile and fun toys and great learning tools. In this video, learn how to build a motor car out of LEGOS. You Will Need: *2 6x1 stud beams *1 detail 2x1 flat brick *black smooth pieces, and pieces to make a spoiler. *2 ...more

How To : Build a popsicle catapult

This video demonstrates how to make a catapult out of popsicle sticks. For this project, you will need the following: 7” rubber bands, a box of popsicle sticks, a hot glue gun, a Dixie cup, and tape. Start with the base. Lay out popsicle sticks in the shape of chicken feet. Ma ...more

How To : Construct a working LEGO miniature soda machine

Even LEGO people get thirsty, and what better to quench the thirst than a nice cool can of soda pop? And what's the perfect way to get that cola to your LEGO men quickly? A LEGO soda machine! And believe it or not, this soda dispenser actually dispenses miniature soda cans! Wa ...more

How To : Make an animatronic hand

Ever feel like you don't have enough hands? Build a third one! You will need a 3 foot aluminum rod, a piece of 2 inch by 4 inch wood, a 25 pack of 1/8 in by 2 inch toggle bolts, #6 by 1/2 inch metal screws, an electric drill, drill bits, 14 inch cable ties, and a hacksaw or ch ...more

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