2
votes
2answers
264 views

Ultrasonic sensor option missing in Wait block in Labview

I have hooked up the EV3 brick and the Ultrasonic sensor (on port 4) from the older mindstorms set 8527, and using the most recent Labview software on windows 7. I am trying to test the model for ...
2
votes
0answers
126 views

Is the EV3 brick balanced? [closed]

I want to buy an ev3 but I want to know if the center of gravity is off in the brick (really does not look symmetric)
1
vote
1answer
234 views
2
votes
3answers
8k views

How do I unlock the sunday surprise on the 2013 Star Wars Advent Calendar?

I'm trying to enter the code on the back of door number 1 into the Lego Star Wars site but it doesn't work. Does anyone know how / where to input the code?
18
votes
2answers
952 views

Why are LEGO slope bricks textured?

Why is the slope part of bricks textured instead of the usual flat & glossy edge? Are there any non-textured forms of these bricks?
0
votes
0answers
30 views

Where are the LEGO toys made? [duplicate]

Are these LEGO parts/toys made in China? Are there labels which clearly identifies the country of origin? Are there lead issues for the children?
2
votes
2answers
242 views

Where did “Cheese Slope” get its name?

Why is this piece called a "cheese slope"? "Slope" I get; but "cheese"?
1
vote
0answers
148 views

Linear Actuator of the boom of 42006 jams

I just built a 42006 excavator, and the Linear Actuator jams, can not be rotated. I think the too sharp angle of the u-joint at the top of the boom is the reason. Is there a workaroud?
0
votes
0answers
23 views

What number plastic are LEGO bricks? [duplicate]

I need to know becuse I want to recycle LEGO bricks.
0
votes
1answer
362 views

Do you know where I can get a Brick Vac?

I am in dire need of a Brick Vac. The 2 boys 5 and 7 are building daily, but still have plenty of strays on the floor and the end of the day. With the growing popularity of Lego City building sets, ...
5
votes
2answers
315 views

Where I can find the pieces needed in a set?

I own this set, LEGO® Kingdoms King's Castle 7946. One day I let my wife's best friend's kids play with it. (Not the best idea in the world but they had a blast!) Needless to say, the castle ...
3
votes
2answers
803 views

Invert motor block in EV3

New to EV3 so this should be simple. I would like my simple wheeled robot to go backwards. So I put two invert motor blocks, one for port B the other for port C followed by a move steering block. The ...
3
votes
2answers
786 views

Unable to connect to NXT using NeXTTool via USB cable

For reasons beyond me, the NXC program MotorControl22.rxe in my NXT has disapeared. So i thought I'd just download it from my computer over to the NXT using NeXTTool. This is where the trouble ...
3
votes
1answer
137 views

What pieces do I need to make suit swappers from the Lego Batman video game?

My son has asked Santa to bring him Lego Batman suit swappers to use with his minifigures, both Batman and Robin versions. Can anyone advise as to what pieces are needed for these? All help is very ...
2
votes
1answer
300 views

Getting started with Mindstorms and/or Technic

I'm looking into getting started with LEGO. Can you briefly describe the difference between Technic and Mindstorms? I've read that the parts and compatible, so I suppose it's the functions that ...
3
votes
2answers
319 views

How do I quickly count pieces?

I have LEGO pieces divided into partitions in something like a tackle box, each of which indicates how many pieces are supposed to be in that partition. With few exceptions, each partition only holds ...
7
votes
2answers
847 views

How to Make a Lego Claw Arm?

I am trying to build a lego claw arm to pick up stuff that is out of my reach and I need some ideas on how to design it. I would like a mechanism to be able to open and close the claw from the ...
7
votes
1answer
294 views

Is it safe to drink from Pick A Brick cups?

I have a habit of drinking from the Lego Pick A Brick cups. I sent an email to Lego to ask if they were rated safe for drinking from, and they refused to endorse any use of Lego products that wasn't ...
0
votes
0answers
39 views

Block with an anchor smiley face [duplicate]

I have some blocks with a smiley face and anchor as the nose and mouth as the logo. Does anyone know the brand of block that they are?
3
votes
2answers
382 views

Suspension bridge building techniques

I am working on a suspension bridge with my sons and have encountered two problems. Our technique: 8x6 plates for the roadway 1x8 bricks (with side-holes) underneath each side of the roadway to ...
18
votes
3answers
22k views

Where are LEGO parts made?

Are all LEGO parts made in a single factory, or are there multiple factories? Where abouts is it/are they? If there are several, are there different factories for different pieces/sets, or do all ...
5
votes
2answers
816 views

Can I use the old 12V rails with the remote trains?

I have a bunch of old 12v track. I am looking to get my son into LEGO, but I am thinking of getting the remote set so we can expand it some more. My question is, can I connect the new track to the ...
6
votes
1answer
12k views

Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver

So I've recently dug up my old Lego Mindstorms RIS 2.0 (RCX) and have spent the past few days trying to install it into my Windows 7 laptop. It worked fine, except it could not find the correct ...
10
votes
3answers
478 views

How can I use System and Bionicle elements together?

I have a small collection of Bionicle elements that I would like to incorporate into my System builds but I am a little unsure how to use them. What are the different ways to use these two types of ...
6
votes
1answer
463 views

What are the torque limits of gears?

I am using Lego in the classroom to introduce students to geared machines. As part of this I am asking them to design a winch, using a small 1.5V DC motor and a collection of the common Lego gears, ...
0
votes
1answer
99 views

Identify bulldozer truck -probably from early 90"s

Have a bulldozer looking truck with green rocket boosters on it and silver arrows, silver knives on each side of the dome like top-colors black green, clear green dome -figure has clear green helmet, ...
4
votes
2answers
180 views

Lego MOC joining query

I have a building query. As you see the picture (attached). I really don't know how the creator can attach the "3829c01" steering wheel to the "4070". I try so many rod like parts can't get through ...
10
votes
1answer
801 views

What are all the different ways that LEGO pieces join together?

Has anyone made a list of all of the different types of connections between LEGO bricks? Obviously there's the stud connection - but there's also the ball and socket joint, the more recent ...
2
votes
1answer
149 views

Using motors to ring a bell?

I would like to create a motor set up so I can use it to ring a bell inside a small tower. Since I haven't used any of the current LEGO motors was wondering what the group would suggest. which ...
3
votes
1answer
181 views

Are both these slope designs genuine Lego?

Are both of these slope designs genuine? I am reasonably certain that this is just a mold change at some point, but it doesn't hurt to ask. I also have two textured types in dark blue, and one ...
0
votes
1answer
438 views

What are LEGO's best selling products?

I am doing a school project on LEGO. I have two questions for you. How much profit does Lego make each year? Also what products have been the biggest sellers and in what years?
10
votes
1answer
1k views

Explaination of LXFML file contents

I am interested in writing a game that interprets LXF files into worlds (to create a game such as Lego Universe). After finding out how to extract the LXFML file from the LXF archive, I need to know ...
11
votes
5answers
4k views

What are the largest Technic-compatible tires on the market?

I am looking for the largest LEGO wheels with tires available to build a nice-sized RC LEGO car. Of course I will start with the simplest prototype, but I would like to achieve a design which will ...
4
votes
3answers
5k views

Lego Mindstorms NXT software error

I have installed the retail version of the NXT software. Due to pitiful performance on my Mac (OSX 10.7 Lion) I followed guidance on other forums and uninstalled Flash 11 and reinstalled 10. Now ...
9
votes
1answer
2k views

How can I create a simple steering mechanism for a car?

Just curious about this. How can I create a simple steering mechanism for a car? Either motorized or non-motorized solutions are fine; just not overly complex.
2
votes
1answer
2k views

List of Lego Technic sets with remote controller?

I am interested in buying a set with motors (etc) with a remote controller. Is there a website that allows to search with this conditions? Official website is pretty bad. I have found the Lego ...
12
votes
2answers
611 views

Will playing with a train motor by hand damage it?

If you play with a train that is PF-motorized by hand, will you damage the motor? Or any of the other parts (IR Receiver, Battery box)? It is essentially working as a generator when turned by hand, ...
4
votes
1answer
282 views

Is the Antikhythera clock design available as Open Source?

After reading and watch the video about the Antikhythera Clock, I am curious if the design reference (or better yet the instruction manual) is available as OpenSource. Why? Because it would be cool ...
10
votes
2answers
639 views

Is there an easier way of threading Technic pins into other elements?

I've been using Lego Digital Designer to recreate a few models I've built in real life. One model in particular uses many Technic axles which need to be inserted fully into other Technic bricks (like ...
2
votes
0answers
24 views

How can I control the building instructions generated in LDD? [duplicate]

Is it possible to control the building instructions in LDD? Specifically, I'd like to make sure that every step stands on its own without falling apart on my build. If not, is there any software I ...
5
votes
1answer
355 views

Best mini LED spotlight for Lego display case?

I am currently building the Creator Sydney Opera House and planning a display case for it. I would like to light the canopies with spotlights just like the real thing, but have not found LED ...
5
votes
2answers
3k views

Compatibility EV3 software with NXT brick - known limits?

Lego says I can I use the new software to program old NXT bricks: Q: Is EV3 backwards compatible with NXT hardware? A: Yes. You can program your NXT intelligent brick using the new EV3 ...
2
votes
1answer
14k views

EV3 additional build instructions - PDF download or print possible?

The EV3 retail edition comes with printed instructions to build only one of the possible robots and it appears you have to use the software to view the build instructions of the other models. My ...
6
votes
2answers
203 views

Which “Real World” Company was the first to have its' name featured in an actual (numbered) Lego set?

Excluding the Lego company, which "Real World" Company was the first to have its' name featured in an actual Lego set?
2
votes
1answer
196 views

LEGO stormtrooper variation

I found several LEGO stormtroopers on a toy box. They each have a plain yellow head and the words "LEGO 2002" in big letters in their backs. Did they come from a set?
11
votes
6answers
1k views

LEGO Safety: Known risks and how to avoid them?

I run an after school program that teaches engineering to kids, mainly Kindergarten through 3rd grade (roughly ages 5 - 9). I'm trying to educate my coaches as to the known safety risks regarding ...
3
votes
1answer
291 views

Strongest Lego beam

In the Lego house episode of James May's Toy Stories, the engineers built the beams with studs facing upwards: around 9.5 mins into http://youtube.com/watch?v=mEFPhXl3QQY How much stronger would it ...
4
votes
2answers
261 views

What is the difference between 8T gears “Type 1” (3647) and “Type 2” (10928)?

On Bricklink I can see that there are two types of 8-toothed gear - a "Type 1" (3647) and a "Type 2" (10928). It's obvious these parts are not the same, but what is the functional difference ...
0
votes
1answer
83 views

Where can I buy replacement stickers for the set 8018? [duplicate]

I need replacement stickers for set 8018. I've bought a used set and I'd like to change around the sticker position.
0
votes
0answers
229 views

NXT software V2.1 runtime installation error in windows

My system configuration : Windows 7 Home Premium 64-bit Service Pack 1. When I try to install NXT software v2.1, at the beginning itself I am getting the error below: Microsoft Visual C++ runtime ...

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