1
vote
0answers
101 views

Determining what set I have from a bag of lego pieces [duplicate]

I have this set of Legos that came in the bag but in the wrong box at goodwill it's pieces are blue mostly please help
1
vote
1answer
2k views

Programming EV3 with NXC

I'm trying to run NXC programs (all run well on NXT) but when trying run it on EV3 I find an error. The download from computer to EV3, runs well but trying to run the program with RUN EV3, I have an ...
4
votes
3answers
2k views

Is there a free EV3 simulator (virtual machine) for the Mac OS?

I recently saw this question on a virtual EV3 machine. From the video, I felt that this software will be great. However, I don't have the budget needed to buy a licence. Is there any alternative to ...
2
votes
1answer
61 views

Microsoft Robotics Developer Studio & RCX Support?

What is the last version of the Microsoft Robotics Developer Studio that supports the RCX? The Wikipedia link (http://en.wikipedia.org/wiki/Microsoft_Robotics_Developer_Studio) indicates RCX was ...
1
vote
0answers
32 views

Where can I find this lego piece? [duplicate]

I found this lego piece but I want some more of them for my huge lego project. But where can I find these? I really need exactly this lego piece can someone help me? The lego piece I have: If you ...
2
votes
1answer
125 views

Some LEGO elements not attaching as usual

I am building a tank made of purely normal LEGO elements, which means no gears or axles or that type of stuff. I am trying to attach a 6x6 LEGO plate onto the base for support, but it is not ...
3
votes
1answer
80 views

Variable stick lengths and angles at nodes of building bricks

Is it possible to build 3D toys connecting several LEGO Bricks sticks/rods to make polyhedrons? Lengths and angles between sticks should be variable.
4
votes
2answers
956 views

Quality issues with tan-colored Lego pieces?

I recently bought an expensive Lego set with a large number of tan-colored pieces. I was very disappointed to find out that more than a dozen (isn't that a spectacularly large number?) of 1x1 bricks ...
2
votes
1answer
185 views

Lego RCX 1.0 problem with communication

I have a problem with communication between the tower (it's installed and it's working - green light when communicating by IR ) and a RCX 1.0. It's not downloading .lgo file. I've tried with few ...
3
votes
2answers
269 views

What kind of “Lego” figures are these?

Can anyone tell me about these lego-compatible figures? They clearly aren't lego brand, they don't look like mega blok figures or tyco figures that I have seen (not that they couldn't be one of those ...
1
vote
2answers
152 views

How can a brick/color combination exist but not be part of a set?

In a recent question the 2x4 transparent brick in neon green came up as a rare part (see Does someone know where i can find this lego brick?). It doesn't seem to be listed as part of a set (at least ...
5
votes
3answers
395 views

Where to find this green transparent brick?

Where can I find this lego brick? I have one but I want some more of them for a project.
1
vote
0answers
77 views

Use of Mindsensors IMU with Labview

I thought someone could help me with a the Mindsensors AbsoluteIMU ACG and its use with the Lego Mindstorms NXT. Is it possible to use it with and get data out of it?
0
votes
0answers
22 views

EV3 FLL Question “ outside the box ” [duplicate]

I am joining our FLL team and I have a question can you please help me? I'm working on the mission "outside the box" and my arm on the robot is not strong enough to lift the box in the air, so that ...
5
votes
1answer
442 views

How can a Mindstorms robot lift something very heavy?

I have a small LEGO Mindstorms robot and I have to lift something heavy. Now it seems not possible because the motor is not heavy enough.
1
vote
2answers
246 views

I have an idea for a new kind of LEGO, using new types of elements

I have an idea for a new LEGO product (not a LEGO set or anything, I know that the Lego ideas site exists, but a new "kind" of LEGO) I've been trying to contact LEGO about it without any luck. So I ...
7
votes
1answer
416 views

Building a 45 degree brace

I'm trying to reproduce my own house in Lego, and attached is a photo of the porch above my front door that is supported by a 45 degree wooden brace: At my current scale, the vertical white wood ...
3
votes
2answers
834 views

Buying minifigure parts at the Lego Store

Is it possible to buy individual Minifigure parts (like minifig heads only) at the LEGO store? (the physical ones, not the online) if so, how much would they go for?
4
votes
1answer
904 views

Is it possible to run more than two remote control trains on one track?

My son has two passenger trains and a lego cargo train. We can get two trains running on the track using one remote. But how do you operate a third train? We do have other remotes which came with ...
6
votes
2answers
2k views

Programming Mindstorms on a chromebook

I know there is no official way to program NXT/EV3 on a Chromebook. But a Chromebook can have Ubuntu installed via Crouton in developer mode. So, is there a relatively painless way to program ...
1
vote
1answer
78 views

Not detecting motor port D

We are trying to program in LabVIEW, using all 4 motor ports. On the port selector, port D is not even showing up.
4
votes
2answers
333 views

Which block manufacturer made this type of person in the 80s

I always thought this was LEGO, and played with it in my LEGOs my whole life (got this in the 80s) but found out recently that it is not LEGO. What brand is it? Who made it? He can hold lego tools, ...
7
votes
2answers
525 views

How is this brick attached to the pregnant minifig?

While Google-image-searching pregnant minifigs (don't ask) I came across this fig, and other variations on it, but I can't figure out how the 2x2 round brick is attached.
2
votes
2answers
227 views

Question about a Lego Compatible brand

My son has a small orange and grey space ship building set. It has two astronauts with it. The logo on the bricks shows the letters "B L" on them. We're trying to find instructions online so that he ...
4
votes
2answers
4k views

Mindstorms EV3 PC application won't load

Installed Mindstorms EV3 application on MS Windows 7 Home Premium v6.1 (Build 7601: Service Pack 1) and I keep getting the same error message when launching. A white window pops up with the ...
3
votes
1answer
120 views

Opera house 10234 book 2 instruction 20 left hand side and then 22 has got me stumped. Can't figure out how these pieces fit. Please help

Opera house 10234 book 2 instruction 20 left hand side and then instruction 22 has got me stumped. I am not sure whether there is a space between the "high 2 and the blue 4. Please help
1
vote
1answer
670 views

EV3 T Rex problems

I am new to this and I need some help with the moveabsolute block which is described in Chapter 16 of Daniele Benedetelli's book. In figure 16 - 2 he describes the block and here is my problem: I ...
5
votes
2answers
293 views

Two-state clicker button

For no particular good reason, I think it would be interesting to build a Lego button that behaves somewhat like the button on a click pen: as you press it, it alternates between a "down" state and an ...
2
votes
1answer
141 views

Chamber of Secrets set 4730 assembly issues

We recently obtained a secondhand set with no instructions that I identified to be "The Chamber of Secrets™ 4730". So we downloaded the Building instructions from Lego's website and started to build. ...
4
votes
1answer
302 views

Giant LEGOs--that aren't QUATROs?

We got a big tub of secondhand LEGO bricks, and included was a random pile of what appear to be giant LEGO bricks. They are a bit bigger than DUPLO bricks but smaller than QUATRO bricks and have an ...
3
votes
1answer
629 views

Light on color sensor is blue

We had the sensor color on red and it was working with our remote. We changed the batteries in the 'brain' and now the light sensor is blue and won't work with the remote. Any suggestions? It's a ...
3
votes
1answer
125 views

What is this notched or angled 1x2?

It looks old. the only markings on it is LEGOS stamped on the top of the stud holes, and a number 2 stamped on the bottom. It looks like a normal 1x2 with a slight triangle taken out of each side. I ...
7
votes
1answer
432 views

Which train motor is more powerful, 9V or 12V?

I recently picked up LEGO bricks again and due to lack of space I'm planning to build a multilevel train layout. I do have a descent amount of 12V track along with trains and switch points, but I was ...
4
votes
3answers
1k views

Representing pregnancy on LEGO minifigs without a dome

So far for pregnancy I have tried a fetal carrier that I put on the minifig's back but this limits her movements. Specifically she can't bend too far in either direction and also she can't lay down ...
3
votes
2answers
247 views

Creating ski gondolas/tramway with Duplos

I've got a three year old who just came home from a ski vacation where he was enamored with the gondolas (like below). I want to make one with Duplos for him. I'm most of the way there, but have a ...
5
votes
1answer
800 views

How to control a 88004 Servo Motor with a Raspberry Pi?

I am able to control a simple servo motor such as SG90 by using pulse-width modulation. However when it comes to controlling a 88004 LEGO Servo Motor it is simply a nightmare. By using PWM all I ...
2
votes
1answer
1k views

How to fit lego power function LED lights onto cargo train (set: 60052)

can anyone out there explain / illustrate how to fit lego power function white LED lights on the blue cargo train (set number 60052)? We have assembled the engine but I cannot see where or how these ...
2
votes
1answer
325 views

What set is this minifigure from?

I found this minifigure in an unmarked box, but do not know what set it came from.
1
vote
1answer
143 views

Which parts can I use to connect a cross axle to a car body?

I have some wheels that are connected to cross axles. The wheels don't turn on the axles (they have an X-shaped centre whole ). Which parts can be used to Connect the axle to the car body? It's ...
2
votes
1answer
135 views

70728/2 Ninjago piece too short?

My son is putting together the 70728 set and the grey tall pieces in book two at step 8 seem to be too short, they leave a gap. By about a mm. Has anyone else had this experience?
5
votes
6answers
7k views

Lego remote controlled cargo train not working

I've helped my son put together the Cargo Train set (60052) but now we can't get the remote control to work. It all looks like it's been assembled correctly with new batteries put in, but it doesn't ...
7
votes
2answers
667 views

I cannot seem to figure out which figure this policeman is. Help please?

My son recently got a huge box of figures and pieces (from what I can tell an original spaceship wih figure too) and I can't figure out what set is from or how old this figure is. Any help would be ...
3
votes
1answer
132 views

Is it safe to use a hot glue gun for Mega Bloks?

I've just managed to secure a copy of the Mega Bloks StarCraft Battlecruiser set on eBay after they dropped significantly in value with Blizzard clearing out the last of the stock with their recent ...
3
votes
2answers
301 views

Issues connecting the EV3 on Windows 8.1 64bit

I have got a computer with Windows 8.1 64 bit and I have installed LEGO Mindstorms EV3 software Home edition and tried to connect the EV3 brick to the computer, but the brick didn´t connect to the ...
5
votes
3answers
524 views

Protecting a minifig from wear

I've purchased a few of the Lego keychain minifigs. Each time I've bought a new one was to replace the previous one because it had most or all of the paint rubbed off from going in and out of pockets ...
0
votes
0answers
47 views

Linking two blocks [duplicate]

I am in a contest and would like to use one Mindstorm block to control another. I am new at this. We are in invention section of the contest and trying to develop a pipe laying machine. Basically I ...
3
votes
2answers
204 views

How can I find LEGO bargains on eBay?

Sometimes I have been able to find some good deals on used LEGO sets, however most of the time I spend looking for sets is trial and error. I usually search from Toys & Games > Construction Toys ...
0
votes
1answer
83 views

If I design a lego set [duplicate]

If I design a Lego set that you may be interested in selling, whom do I contact in the company? My husband iis constantly building new buildings etc. Thought your company may be interested.
5
votes
3answers
14k views

Starting a wholesale LEGO business

I would like to start a company trading in bulk LEGO. I have been told, however, that trading in volume is quite difficult and good discounts are only really given to the likes of Walmart and other ...
4
votes
1answer
141 views

Can I Conect 2 NXTs so that they work together?

I am building up a robot and I want to use 2 NXT connected together because I need more than 3 ports A,B,C. So my question here is: When I write the code, is there anything different I have to do? ...

15 30 50 per page