2
votes
2answers
133 views

identification of lego set by color and shape of inner box

I'm trying to identify a lego set only knowing the color, shape of in inner package. The inner box is blue, dimensions are 18 x 11 x 2 3/8" and 9T plastic compartments, There is a 1984 Lego Catalog ...
3
votes
2answers
230 views

Has TLG ever produced bricks without the LEGO branding?

Has LEGO ever produced bricks without the LEGO brand name on the parts, the packaging or both? I'm already aware of the following: Minitalia. Available in Italy in the 1970s. The bricks were ...
3
votes
2answers
332 views

Which was the first set / minifig with two faces to choose from?

Some of my minifigs (like Iron Man, and Bilbo Baggins, and Harry Potter) have two different faces to show different emotions (usually something happy and something unhappy or upset or angry). How long ...
4
votes
2answers
293 views

Battery for Trains

For those who have tried, which one is a better option: Rechargeable Battery Box and Transformer/Charger 10VDC ($50 + $25) or AAA Battery Box and a lot of AAA batteries ($13 + ?) Obviously $75 is ...
7
votes
1answer
542 views

Lego Trains 12v: Identify This?

This is a very popular picture, which almost all Lego Trains' fans from 1980s would recognize. I have the train in the forground, 7740, but not the 4th car (red one). Can anyone please clarify that ...
3
votes
6answers
7k views

lego ideas (with traditional bricks)

I would like to find a large catalog of Lego designs/ideas that can be built with "traditional" lego bricks (both normal and duplo). I have found many nice designs in the web, but most of them ...
1
vote
1answer
87 views

Advanced coloured lines following robot

I am trying to build a coloured lines following robot, and I would like to know what kind of sensors do I use for my robot to differentiate and detect several different coloured lines?
3
votes
2answers
10k views

Star Wars 2013 Advent calendar codes

What are the four codes for the 2013 Star Wars Advent calendar online game?
4
votes
1answer
280 views

Is this skateboard piece LEGO?

I bought some second-hand Lego and it's a total mish-mash of parts. There was a small quantity of Mega-Bloks in it, but those parts always seem easy to identify. However, I'm stumped about this piece ...
8
votes
1answer
291 views

What is the maximum distance between fixed train wheels?

I'm working on a train, and I'm curious what the maximum distance is between fixed wheel sets in order to properly navigate all of the different types of track (straight, curved, switch, flex, etc). ...
2
votes
2answers
223 views

NXT Brick will not update firmware

I'm running 6 NXT robots in an introductory class. Occasionally we've had bricks that would not accept a program and I've reset the brick by pushing the reset button under the battery pack as well as ...
2
votes
0answers
128 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
235 views

We have a 2013 advent calendar and have entered the code from Sunday but there doesn't seem to be any codes for the 2nd or 3rd [duplicate]

We can't progress beyond the first bit either as Jango or as the R2 unit. Can anyone help please?.
4
votes
4answers
718 views

What other uses are there for pull-back motors?

Sets 42010 and 42011 feature a pull-back motor. They have a very high torque for a very small numbers of turns, they then free-wheel. I'm trying to find alternate usage for them. That is anything but ...
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?
1
vote
0answers
152 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?
2
votes
0answers
145 views

LEGO turing machine using Rascal

I followed the instructions on LEGO Turing Machine and succeeded to build it. Next I've tried and failed to program it using NXT Mindstorm GUI. The site mentions a Rascal framework, but it doesn't ...
4
votes
1answer
272 views

How can I order an Ev3 gyro in Europe

I just bought the Ev3 kit, knowing that the gyro sensor is not included. I obviously want a gyro sensor, perhaps also the ultrasonic sensor. Is there any official channel to order them in Europe? All ...
2
votes
2answers
245 views

Where did “Cheese Slope” get its name?

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

Star wars advent calendar 2013 [duplicate]

I can't enter the code from day 1 - the box flashes but it doesn't respond to the keyboard - any ideas?
2
votes
3answers
9k 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?
3
votes
1answer
379 views

Can I open my old NXT program files in the new EV3 software so I don't have to rewrite the entire program?

I would like to use or convert NXT-G 2.0 programs for use with the new EV3 software. Is there an easy way to convert them besides just building them from scratch in the EV3 environment?
0
votes
1answer
380 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, ...
7
votes
4answers
5k views

Are there any lego base plates that are compatible with duplo?

I'm thinking of making a lego table but my 2 children both use different lego. My oldest uses normal lego and my youngest uses duplo. Just wondering if there is a base plate that both types of lego ...
5
votes
2answers
329 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
1answer
142 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 ...
5
votes
2answers
493 views

What are LEGO baseplates made from?

I want to lasercut a green LEGO baseplate for a project, but cannot cut a plastic with the laser if it contains PVC or Vinyl. Does anyone know if the green baseplates are free from these materials.
4
votes
2answers
287 views

Where can I get RCX 1.0 software?

We've got a LEGO RCX 1.0 without any Software. I've installed the USB IR Tower, what should I do now? I've downloaded the EV3 Software from the LEGO homepage and thought I could use this, but I don't ...
3
votes
2answers
916 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 ...
2
votes
1answer
302 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
326 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 ...
2
votes
2answers
615 views

How do I repair loose arm joints?

The arms on my LEGO minifigures are loose. How can I repair these to remain in place when I move the arm to the location I want it to stay in?
5
votes
2answers
910 views

How to program two NXT motors to run at the same time?

I'm working on a project with multiple axis of movement… trying to get two motors to run at the same time in order to achieve a mix of two!
7
votes
1answer
298 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
152 views

Can I use the NXT 2.0 programming software with my educational set?

I have bought the 9797 NXT base educational set. It didn't include any software. I know that I can freely download the NXT 2.0 software (which was included in the 8784 retail set). Is it possible to ...
2
votes
1answer
206 views

What's the sight of the ultrasonic sensor according to the distance of the object?

Hey I'm programming a sumobot for a first-year university Civil Engineering project. We should need the sight of the ultrasonic sensor according tot the distance of an object. For example, the sensor ...
2
votes
2answers
279 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 ...
5
votes
2answers
906 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 ...
3
votes
2answers
396 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 ...
0
votes
1answer
100 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
186 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 ...
3
votes
1answer
184 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
476 views

Should I buy the retail or education version of Mindstroms EV3?

There are other questions that list the differences in the retail and educational version but I cannot judge which one I should buy (educational or retail). I am buying Mindstorms for the first time, ...
6
votes
1answer
251 views

How many styles of element separators has LEGO produced?

I used to use other LEGO elements to separate tightly bound pieces in my collection. My thumb nail and I were quite pleased when I first discovered an actual brick separator LEGO introduced to ease ...
0
votes
1answer
145 views

Are variables always global with NXT?

New to NXT software. What I'm trying to do is get my motor to go one of 5 distances, but I'm not sure how to choose between those actions. What I thought of was setting 5 variables to 5 sensors. The ...
3
votes
3answers
1k views

EV3 Education Edition software license

I got a new EV3 education kit. Can I install it on a several computers or does the license work on one computer only?
2
votes
1answer
189 views

Pushing lego city train [duplicate]

Are you able to push the lego city train around the tracks without damaging it or do you always have to use the batteries to make it go.
6
votes
2answers
3k views

How much do bricks cost at the LEGO Store?

I have never been to a LEGO Store, and I am hoping to go to one soon. I was wondering if anyone knew how much bricks cost at the LEGO Store? I want to buy some minifigs and some bricks. Do they sell ...

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