Active Construction Toys Posts

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 temperature levels such that there is a net conversion of heat energy to mechanical work. This project was made from parts around the house and you should be able to do the same. This is a great project to explain how gears work,...

How To: Make an Internally Lit Ice Sculpture with LED Lights

Why not make the best of an icy cold winter day and make something even cooler? In this tutorial, you will learn how to make a natural ice sculpture in your yard and light it up with LED lights for a cool, nighttime effect. You will definitely have the best house on the block once you start lighting up your ice, so check this video out and get started! This project is super quick and cheap to create, too!

How To: Modify a Nerf Firefly toy gun

In this Hobbies & Toys video tutorial you will learn how to modify a Nerf Firefly toy gun by replacing the barrels with CPVC and adding a new spring. You start with the power blaster and open it up. Remove the turret by removing other parts as shown in the video. Remove the screws from the turret and pull it apart. Cut off one side of the front end of the turret. Now cut 8 x 3” CPVC barrels, wrap black tape around one end and ram them into the back of the turret. Then pull out the plunger, ...

How To: Hack a VHS tape into a toy pinball machine

For about a buck, you can make a fun Mini-Pinball machine out of a VHS, just follow the steps in this how-to video. This is a great toy for kids, or anyone that wants to make a cheap version of the arcade favorite. Bring the VHS pinball machine into the car to stay entertained during long car rides. Watch this video gaming tutorial and learn how to convert a VHS tape into a toy pinball machine.

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.

News: How to Make Tinfoil Cars

In this video, I show you how to build tinfoil cars for crushing with toy Monster Trucks. My son Eston and I love monster trucks. One of the most exciting things when you go to see monster trucks live, is when they crush cars. Problem is, when you use your hot wheels or matchbox cars with your monster trucks, they don’t get smashed. So the realism isn’t there.

How To: Create a ship in a bottle

The ship in a bottle is an age old puzzle. The key to its mystery is pre-assembly, attention to detail and patience. Learn from a master craftsman and bottle ship builder the ins & outs of this art. Follow these step by step instructions on how to put a ship inside of a bottle.

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...

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.

News: NASA's Curiosity Just Got Bricked! Working LEGO Mars Rover Ready for Exploration

Using a LEGO Mindstorms NXT kit, a pair of awesome engineers put together this fully functional replica of the Curiosity Mars rover. Not only is it built completely out of LEGOs, it's motorized, programmable, and ready to explore the far reaches of your living room. The rover was built for the Build the Future in Space event at NASA's Kennedy Space Center. Four of the six wheels are powered, allowing it to make 360 degree turns, and the arm and mast are both fully controllable. The entire con...

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...

News: 3 Million Brick Lego House - Demolished

With many internet/Lego nerds anxiously awaiting the completion of the world's first full size Lego House, Barnaby Gunning Architects and British TV personality, James May, finally unveiled the finished product this past Friday. The house (was) 100% Lego, "including a working toilet, hot shower and a very uncomfortable bed".

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: 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 paper crossbow

Learn how to make a paper crossbow with this instructional video. All you need is a couple sheets of paper, tape, large paper clip, scissors and a rubber band. Follow this simple visual demonstration to learn how to make your own. Basically you start off with paper tubes and construct them into your crossbow.

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