5
votes
1answer
604 views

Are these ATC bricks from the 1970's LEGO?

I have some Lego compatible basic bricks from early 1970s or late 1960s. Bought in Finland or maybe Germany or Sweden. Can anyone tell me more about them? As you can see, the interlocking mechanism ...
12
votes
2answers
8k views

NXT screen either flickering or blank, what do I do?

The screen on my LEGO MINDSTORMS NXT brick has just stopped working. It is either flickering, or blank. I have tried turning it on and off, installed fresh batteries, and I can even hear the selection ...
2
votes
1answer
279 views

How can I controll the speed of motor using gears?

Can anyone tell me how to use gear wheels to modify the speed of the motor in the Power Functions set 8293? I know I could use the remote control unit, but I need to have a fixed slow speed on a ...
3
votes
1answer
166 views

Which bricks warrant an extra to be included in a set?

I know why there are extra pieces in the sets, but I'm curious to find out which pieces will typically have an extra. I know that usually 1x1 plates (both square and round) will have an extra ...
16
votes
5answers
1k views

Are there any health concerns with letting children use old LEGO kits?

I have a hoard of LEGO kits that passed from me to my nephew, and now to my son. Some of the kits that are included with the set date back to the early 1970's. Are there any health risks with passing ...
1
vote
1answer
522 views

When and why were pieces 3651 and 3652 discontinued?

Bricklink has piece 3651 as Axle and Pin Connector, while piece 3652 is Engine Piston Square 2x2. You could attach them to each other to form a piston. Service pack 5260, Connecting Rods and Stop ...
13
votes
3answers
471 views

How to find out if an element is out of production

Is there a way to know if Lego has officially stopped making a certain Lego element? As an example, from the 580 Lego set, I haven't seen this conveyor belt (along with those wheels and the ...
13
votes
2answers
2k views

When did LEGO stop producing Technic action figures?

I recently got interested in LEGO Technic again. The last set I own is maybe 15 years old, so my knowledge is a little bit outdated. Back then some of the Technic sets had action figures included, ...
2
votes
1answer
188 views

What products, if any, have ever been recalled by Lego?

The question says it all. Have there ever been any recalls of products by Lego? If so, what were they?
2
votes
1answer
126 views

Trouble finding plastic storage bins for MOCs built on 48x48 stud (gray) baseplates - Ideas?

I have a number of models built on gray baseplates that are that are proving to be difficult to store/transport. Lidded plastic bins would be ideal, but I'm having a lot of trouble finding bins with ...
8
votes
2answers
2k views

Do regular Lego trains fit onto Duplo tracks?

I have a small kid and a bunch of Duplo train track. (Like what's in this set.) Would "grown up" sets, like the Emerald Night or Maersk trains, work on that track? They look pretty close (the wheels ...
8
votes
1answer
178 views

Why do some sets contain parts of an unrelated colour?

With recent and current sets, I noticed that some contain parts of a totally different colour than the rest of the set. An example is 8200-1: Radiator Springs Lightning McQueen, which contains a blue ...
5
votes
1answer
3k views

What different types of lego train tracks exist?

I would like to purchase some used lego train tracks off ebay. I am not, however, very familiar with the different choices of track systems are out there that I might come across. So I would like to ...
5
votes
1answer
443 views

Is it safe to try different firmwares on EV3?

I have prepared a SD card to run Lejos on EV3, as said on Lejos Sourceforge page and I'm about to test it. What worries me - will I still be able to go back to original Firmware if something goes ...
0
votes
1answer
772 views

EV3 and HiTechnic Color Sensor Block

Can I use the Hitechnic Color Sensor with my EV3? At the HiTechnic web site I cannot find the necessary files for importing the Hitechnic Color Sensor Block into the EV3 software.
1
vote
2answers
1k views

Where can I find LEGO Digital Designer projects for Lego Technic MOCs?

I have LEGO Technic pieces collected from multiple sets and would like to find projects on the web which I can view and build models step by step. Please advise sources where I can find these.
6
votes
2answers
183 views

How long are Star Wars exclusives usually in stock for?

I'm currently looking into purchasing the Super Star Destroyer, but I'm wondering how long they will be in stock for. The reason I ask is I know that LEGO used to have a Tie Fighter in their ...
6
votes
2answers
4k views

Alternative builds with Star Wars LEGO sets

I currently own these LEGO Star Wars sets: LEGO Star Wars X-Wing Starfighter 9493 LEGO Star Wars Millennium Falcon 7965 LEGO Star Wars Tie Fighter 9492 LEGO Star Wars Emperor Palpatine's Shuttle ...
8
votes
3answers
909 views

Why are there no faces drawn on the black heads?

There were two black heads in the Star Wars 2011 advent calendar and neither had a face drawn. Is that because there was no face necessary since it was going to be covered with a mask anyway or is ...
6
votes
2answers
541 views

How can I tell if my gold C-3PO minifigure is legit?

I just bought a used gold C-3PO (not the 14k version, but the 10,000-made version). There are some places under the arms and on the right foot where there is no gold paint. I think that they are all ...
10
votes
3answers
707 views

Are there any Star Wars vehicles that have not yet been produced in a Lego kit?

This includes all six films and the Clone Wars spin-offs. Every vehicle I can think seems to have been produced as part of a kit at some point. Are there any that haven't?
7
votes
4answers
1k views

Rebuilding the Millennium Falcon 7965 with unsorted bricks?

After a week of building the Millennium Falcon 7965, we were nearing the end. My son became excited and literally started jumping for joy. As a result, he accidentally landed on the model and thus ...
6
votes
1answer
185 views

Tips for hair loss problem in HeartLake world?

Is there anything to do to prevent the rubber hairs (or hats) from leaving Stephanie's head? In my opinion, hairs and head stuffs for Friends don't stay in place as well as they do in the minifig's ...
7
votes
2answers
361 views

How well do LEGO assemblies hold water?

Water is commonly represented with blue pieces, but what if I tried adding real water to a setup? For example, I create a simple blue base with a rectangle making a sort of pool. If I fill that ...
3
votes
0answers
235 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 ...
12
votes
0answers
425 views

What's the exact opacity and translucency of transparent bricks?

As answered in this question, transparent bricks are made of PC (polycarbonate) and as listed in this answer and on Brickipedia there are fourteen transparent colors: 40 Transparent (clear) 41 ...
2
votes
2answers
224 views

Logging and performing mathmatical calc. during run?

Is it possible using the new EV3 to log data, and peform mathmatical calculation on the data while it's being logged, and peform some and thereby trigger some event if some value has been reached?? ...
2
votes
2answers
1k 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?
3
votes
2answers
596 views

How make a 6x6 board rotate using LEGO technic parts?

Are there any common patterns for making a 6x6 (or bigger) LEGO board have a ability to rotate using technic with gears and such? Has to be without the help of the existing 2x2 lego part that rotates, ...
16
votes
2answers
12k views

What does the acronym MOC stand for?

This is a common acronym used in the Lego community - what does MOC mean?
0
votes
1answer
167 views

How do I Build a LEGO Digestive System? [closed]

Does anybody have any clue on how to build a LEGO digestive system or where to start as I think it could be a good way of helping my son with a science project? Either building plans, instructions, ...
3
votes
1answer
3k views

Is there an .lxf file resource of production Lego sets?

Is there an .lxf file resource site of production Lego sets? Specifically, I am looking for the Millennium Falcon 10179 lxf file, to load into Lego Digital Designer.
1
vote
1answer
5k views

How do I get instructions to fully motorize Technic 42006

I have just purchased the Technic 42006 and would like to make it fully remote controlled.
16
votes
1answer
1k views

What is LEGO Cuusoo?

Can anyone explain the origins of LEGO Cuusoo project? There isn't a lot of information on the site. It seems to have started in Japan as a way of suggesting ideas for sets but is officially ...
8
votes
5answers
1k views

Waterproofing Lego bricks

Pretend I have a Lego ship that I want to photograph as it's sailing along in a pool. Of course the Lego bricks have cracks in between them so water will leak through. Anyone have any ideas as to how ...
0
votes
1answer
802 views

LEGO Power Functions M-Motor 8883 characteristics

I have a couple questions about LEGO Power Functions M-Motor 8883 (http://shop.lego.com/en-US/LEGO-Power-Functions-M-Motor-8883): Is it synchronous or asynchronous? It is powered by AC or DC?
11
votes
1answer
388 views

Why are minifigure wrenches tapered at the end?

The common minifigure wrench is tapered at one end. Why? None of the other minifigure tools are shaped this way. Is the wrench meant to also serve as a minifigure pry bar? Or perhaps as some sort ...
1
vote
1answer
525 views

“The type or namespace name ”Brick“ could not be found” Xamarin Studio with MonoBrick

I managed to establish a wifi connection with the Ev3 Brick via WinSCD and am programming the Ev3 with XamarinStudio/Mono Develop(http://xamarin.com/studio "XamarinStudio"). My problem is that "The ...
24
votes
5answers
8k views

How are LEGO sets designed?

I've often wondered how it is that LEGO goes about creating new sets. I can easily imagine a person sitting in a room all day with unlimited pieces of every shape but with some of the complicated sets ...
5
votes
2answers
763 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.
8
votes
4answers
3k views

Lego Digital Designer Alternatives

I am been using LDD (Lego Digital Designer) for my latest NXT project and noticed a major delay in building and making instructions for my Projects (My Mindstorm projects contain well over 500 pieces) ...
3
votes
1answer
1k views

Software to do Duplo train track layout?

Anyone know a way to create with a software duplo train track layout? The only thing I found is: http://www.anyrail.com/index_en.html It's a bit overkill for what I need and it's $US60, although ...
15
votes
1answer
2k views

Starting out with trains: PF, RC, 9v or what?

I've always wanted Lego trains as a child, but never had any. However, now my son is old enough to appreciate them, I thought I might invest in some 2nd hand sets. The problem is, what standard to ...
10
votes
1answer
386 views

What is the centre hole for in modern train tracks?

LEGO train tracks have 3 holes in each of the segments: I understand the two outer holes are used with a throw-away piece to keep them stacked while shipping, but what is the center hole for? Is ...
6
votes
1answer
314 views

Alternative for Technic, Gear Rack 1 x 7 with Axle and Pin Holes?

We are trying to build a MOC which requires Technic, Gear Rack 1 x 7 with Axle and Pin Holes and we don't have that. Could we build it? Or are there any alternatives? FYI we do have Technic Gear ...
6
votes
1answer
269 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 ...
3
votes
2answers
282 views

How can I contact LEGO set designers?

I would like to contact some of the set designers of the LEGO group to take part in a professional design forum, but I can't find any contact information. Is there a way I can contact them, or find ...
11
votes
1answer
745 views

Will Lego repair a bad motor?

I have the Electric Technic Micromotor: http://www.peeron.com/inv/sets/5119-1 and it simply won't come on. I seem to recall at some point someone telling me a long time ago, that if you sent parts ...
2
votes
1answer
238 views

Duplo Train Thomas?

Anyone know if Lego will make new Thomas And Friend Duplo? The first sets were from 2005-2009 and I can't find any information about the future of this licences
6
votes
2answers
2k views

What are the known software tools for the EV3?

The EV3 is coming in Fall/Summer of 2013 and we tons of unknowns that will come in EV3. I am curious what software EV3 will run and will older generation software run on EV3 (NXT 1.0). And my final ...

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