1
vote
1answer
245 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 ...
1
vote
1answer
65 views

What is the input to the Speed Regulator?

I wanted to buy a transformer for the speed regulator, so based on this image, I bought a transformer with 12V DC output. It works. However, discussing this with a fellow AFOL, he pointed out that ...
7
votes
1answer
121 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 ...
2
votes
1answer
93 views

How does cleaning yellowed Lego bricks affect their clutch power?

Will cleaning yellowed bricks (via the retr0brite solution) decrease the clutch power of lego bricks? I've also heard that certain colors of embellishments on the minifigs or bricks do not hold up ...
3
votes
1answer
150 views

Are there any LEGO elements not being produced because of mechanical problem with the mould?

I am referring element number 702 4x4 corner brick, and possibly other elements that have not been in sets in a considerable amount of time.
1
vote
2answers
82 views

Part Identification - bricks with posts

I have two unusual lego pieces that came from a collection of used legos that mostly seem to date from the 1970's that I am unable to identify using LDraw's ldfind app. What are these parts, and if ...
1
vote
1answer
209 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 ...
3
votes
1answer
134 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 ...
0
votes
1answer
71 views

Minifigure Torso Cracks

So I recently picked up the new Star Wars AT-AP and I was quite please with what I got, but after not even a week The awesome Commander Gree Figure had a torso crack that went from the bottom of the ...
3
votes
1answer
555 views

How much is my large minifigure retail display worth?

I have an extra large LEGO figure (approximately 19 inches/48 cm tall) that I wish to sell. This is an item which has only been available to retailers as part of merchandising the stores. Any ideas ...
1
vote
0answers
123 views

How to locate objects, and move towards them, without pre-programming the path

So I need to find objects in an enclosed area, I have access to the standard set of NXT sensors, i.e. ultrasonic/light. However, the ultrasonic sensors seem to be very unreliable and erratic, in ...
1
vote
1answer
181 views

Cost of different works in a LEGO set price?

What percentage of a LEGO set's price goes toward research, design, manufacturing, marketing etc. It's just my curiosity since all my minifigures (from Series 3) are made in China and I don't know if ...
7
votes
1answer
314 views

Can I repair a broken LEGO brick with glue?

I have a dump truck hinge piece that snapped in half when it got bent backwards too hard. Is there a type of glue that would be appropriate to repair the piece? Would superglue be a good choice? ...
1
vote
2answers
292 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.
2
votes
1answer
119 views

EV3 Rapt3r's head cable interfering with slithering

My Rapt3r is working great, except that the cable that goes from the head to the "Intelligent Brick" physically interferes with the slithering on the side on which it is plugged (port 4). Physically ...
0
votes
2answers
111 views

What can I do to clean a minifigure's torso?

Well, I have the old Greneral Grievous from 2005, and it is almost 10 years old. So, by the time, it's torso became like yellow-painted. Tell me what can I do to clean it. Please?
3
votes
1answer
293 views

On Lego Mindstorms EV3, is there a way to change the input parameters of a My Block?

I am writing a program for which I did a My Block. I later realize that I need to add a new input parameter and I can't find a way of doing this without creating a new My Block. This seems it should ...
1
vote
1answer
556 views

How can I build a Lego rubik's cube?

How can I build a LEGO Rubik's cube, I have 2 of them, and I've built them several times, but how can I build a LEGO Rubik's cube.
5
votes
1answer
227 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 ...
1
vote
3answers
241 views

How to put LEGO together upside down

I'm building a truck. For the transmission, I want to make it all even and symmetrical. To do that I need the pieces to stay together but they have no studs connecting so they will just fall apart. ...
2
votes
1answer
339 views

Please identify this broken LEGO Technic piece

This piece is from LEGO Technic 8070 Super Car. Can anyone please identify its name as it's broken and I need to get a new one.
0
votes
1answer
212 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.
0
votes
1answer
100 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
2answers
283 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, ...
0
votes
2answers
74 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?? ...
1
vote
1answer
125 views

NXT program not running

We have multiple NXT Bricks. We can read sensor data and motor degrees from View. Some are running FW 1.31, others FW 1.28. When we try a simple 5-step NXT program, the motors will not turn. We tries ...
1
vote
1answer
196 views

EV3 Event Delegation

My problem is that the robot, which should just remain in the program until the Escape Button is pressed, just stays in the while-loop. The current code looks like this: using System; using ...
0
votes
1answer
1k 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.
0
votes
1answer
353 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
337 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 ...
3
votes
1answer
611 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.
5
votes
2answers
488 views

What happened to Cuusoo set #6

Lego Cuusoo just announced set #7 Ghostbusters 30th anniversary. Cuusoo set #5 is the Curiousity Rover. Why is there no set #6? What happened to it or did Lego announce it and then change their ...
1
vote
1answer
322 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 ...
6
votes
2answers
227 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 ...
1
vote
2answers
131 views

Is the NXT forward compatible with EV3 sensors and motors?

Is it possible to use EV3 sensors and motors with the NXT intelligent brick? I've read that the EV3 is backward compatible with NXT motors and sensors, but does vice versa work as well? Is the NXT ...
0
votes
0answers
121 views

Guide me on how to use my Mindstorm RCX kit on OS X Mavericks

Any suggestions on how I can use my old RCX set on Mavericks? I have set up Xcode command line tools, and I am getting compiler errors while trying to download nqc through Macports. Even downloading ...
8
votes
2answers
1k views

Where do bulk lego sellers on ebay get their bricks

The are a large number of people on ebay selling lego by the pound(or kg), for example, this guy. The lego is (implied to be) pre-owned as the ebay descriptions often say the bricks have been washed ...
6
votes
1answer
97 views

Fixing poorly applied stickers

Does anyone have any tricks to removing a sticker and reapplying, after a significant period of time? I recently purchased a lot of sets from 2000-2010 range, and the stickers look like they were ...
3
votes
1answer
328 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 ...
5
votes
1answer
183 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 ...
3
votes
2answers
160 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 ...
4
votes
1answer
284 views

Please tell me what tunnel-hull boat set this is?

I cannot figure out what this set would be...I like it and want to find instructions...but tried different wording and looking at images without luck.
2
votes
1answer
98 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
1answer
136 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 ...
0
votes
0answers
73 views

Error code 00020e

I keep getting the error code 00020e, if anyone can help, that would be greatly appreciated! We are not sure what is happening, we have checked everything over countless times Please help!
9
votes
2answers
248 views

Does cleaning LEGO parts affect their value?

I have a LEGO collection consisting of a number of rarer sets such as the monorail and 9V train sets. I want to clean the pieces but I am curious if cleaning the parts affects their value? I plan on ...
1
vote
1answer
232 views

Price of EV3 education software

After looking around on the Lego Education website, I failed to find the price of the education software. I currently have the retail version of the software, but I want the extra features and blocks ...
1
vote
1answer
132 views

ERROR CODE 7- Cannot download needed file for the program

I am kind of new in LEGO MINDSTORMS, I tried to download a program to the NXT robot and got the Error code 7- "Cannot download needed file for the program" - can someone tell me what should i do?
4
votes
1answer
439 views

Is there a way to program the EV3 brick with NXC?

I tried to program the EV3 brick with NXC so i used BricxCC. The download of the program to the EV3 was successful but when i tried to start the program (which actually didn't show up on the program ...
3
votes
2answers
292 views

Extra pieces in my set - Eiffel Tower

I recently purchased a Eiffel Tower Architecture kit and I found it having 9 extra pieces. I know it is normal to have extras but I think the amount is a bit high. Any ideas or explanations? Does ...

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