Hot Construction Toys Posts

How To: Make a Lego balisong butterfly knife

Balisong knives, or butterfly knives, are folding pocket knifes with two handles that can counter rotate. People love performing tricks with them because of the balisong butterfly knife's flipping ability. Since knives aren't toys, make your balisong butterfly knife out of Legos. You still might hurt yourself, but not as badly as with the real thing. Learn how to build a Lego balisong butterfly knife by watching this video tutorial.

How To: Make a fast and easy tennis ball trebuchet

In this tutorial, we learn how to make a fast and easy tennis ball trebuchet. This tool will throw tennis balls easily so you can hit them without having a partner around. This only needs a few pieces of wood and 2x4's along with dumbbells. There isn't a whole lot to this, it's very simple to build. Use two 10 lb dumbbells clamped with a hose clamp onto the top of a 2x4. Use a dowel to go through this, so it will help it rotate. Down at the bottom is the release mechanism and on the sides wil...

How To: Make a Lego boomerang

In this video tutorial, viewers learn how to make a LEGO boomerang. LEGO is a line of construction toys manufactured by the LEGO Group. This is a very simple LEGO construction. It only consists of 8 LEGO pieces and 2 optional LEGO pieces. It doesn't matter about the color of the pieces. The video provides a visual demonstration and step-by-step instructions for viewers to easily understand and follow along. The video is descriptive and explains all the instructions. This video will benefit th...

How To: Make armor out or Sintra and Rub'n'Buff

Make your own armor with a weathered look out of Sintra (or expanded PVC foam). You'll need a heat gun, a padded cushion, paper towels, rub'n'buff in silver leaf, a knife, a marking pencil, water and a can of spray primer. Trace your piece onto the Sintra, then use the heat gun to shape it. Useful for costumes, Halloween or larps.

News: This LEGO Mindstorms Submersible Can Be Piloted by Your Xbox Controller

Making little robots with a LEGO Mindstorms NXT set is already cool, but putting one underwater? Now that's just crazy. That didn't stop this engineer, who built a LEGO submarine that can not only maneuver around his fish tank, but can also be remotely controlled with his Xbox controller. The craft has a sealed battery compartment, exposed Power Functions motors, and features real-time communication between it and a laptop using a NXTbee wireless module.

How To: Make a duct tape backpack

Are you a regular backpack user? Do you tire of that generic Jansport look that seems to be all your low backpack-budget will buy you? Do you want to rock something a bit more distinctive without breaking the bank? Do you like duct tape? Then look no further! This 2-part video provides wonderfully detailed instructions for making a full-sized backpack out of only 45 yards of duct tape! A must for the DIY-happy student-about-town.

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...

How To: Make a Lego crossbow

The girl in this video demonstrates the way of making a LEGO crossbow at home. She first shows you what all pieces that you require for the process. Then she asks you pick up the rod-shaped piece and stick it to the back of the spark piece. Then you have to put the two tiny pieces together as shown by her. Then she asks you to attach this piece to the stick and push it all the way to the end touching the spark piece. Then you have to stick the two horn-shaped pieces to the sides of another pi...

News: 4500 Brick LEGO Pop-Up

YouTube user Talapz has built a LEGO Pop-up Buddhist temple. Jaw dropping construction. Made from 4500 bricks, the structure is a representation of actual temple Kinkaku-ji (video below): Previously, Lego Mindstorms Puts the Fun Back Into Number Two.

How To: NASA Engineer Shows You How to Build a Mini Curiosity Mars Rover Out of LEGOs

You might have seen our post on this last week: It's a working reproduction of the Mars Curiosity Rover made with LEGOs, but it's a bit complicated for anyone without a decent amount of robotics knowledge. Plus, you need to have some Mindstorms NXT and TECHNIC parts lying around. If you want something a little simpler than programming a working LEGO rover, you could always build a scaled model of the MSL out of regular LEGOs. Not only is this easy to build and looks great, but the step-by-ste...

How To: Make a Lego sword

In this video tutorial, viewers learn how to make a LEGO sword. LEGO consists of colorful interlocking plastic bricks and an accompanying array of gears, minifigures and various other parts. This video is very short and only lasts for 35 seconds. It is very basic and easy to follow. This LEGO construction is very simple, fast and easy to do. There are only 3 pieces required to make the LEGO sword. It does not matter what color the pieces are. This video will benefit those viewers who enjoy pl...

News: Full-Sized Mechanical Skeeball Machine Built Entirely Out of K'Nex—And It Works!

If you played with K'Nex as a kid (or still do), you know that it can take a lot of those tiny little pieces to build something. Just imagine how many it must have taken to make this full-sized, fully functional, coin-operated skeeball machine with a mechanical score counter. Instructables user Shadowman39 (aka Kyle) spent an entire year building this masterpiece. It's the same size as the ones you see in arcades, and it's coin operated, too. But don't try to feed it your pennies, it knows th...

How To: Make popsicle stick fences

If you've got a tiny farm, you're going to need some tiny fences. Don't shell out your whole allowance for a fancy store bought fence set. Instead make your own fences out of popsicle sticks. This video tutorial demonstrates how to create stalls and stables so your miniature farm animals won't escape.

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 ...