3
votes
2answers
98 views

Lego Motor for cycling a tool

I am curios to know if I can utilise the Lego Power range to rotate a transducer to a set point and return to its original position and if so is it able to cycle the movements repetitively? Ideally I ...
2
votes
1answer
155 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 ...
1
vote
1answer
130 views

What part can I use to get the connection

This is what I have.. Would like to connect the long "thing" to the square base.. not sure which part will give me a angled elevation In case you are wondering what I am trying to do.. this is what ...
7
votes
1answer
152 views

What plastic do Quatro blocks use?

I recently picked up a heap of Quatro blocks, and noticed that the plastic seems to be much softer than the normal ABS-based Lego and Duplo blocks. Does anyone know what kind of plastic was used in ...
1
vote
1answer
138 views

Is it possible to connect EV3 and NXT bricks like master/slave configuration via bluetooth?

Can I make a Bluetooth connection between LEGO EV3 bricks and LEGO NXT bricks? and If it is possible how to handle the software to make a chain between them?
1
vote
1answer
250 views

RGB sensor HOWTO use?

I've got an RGB sensor (this one with the three LED thingies) and wonder how to access it using NXC. I know I can SetSensorColorFull(IN_1); and then access it using ReadSensorColorEx or, for ...
10
votes
2answers
10k views

Where can I find a list of all LEGO sets ever released

Can I get a full list of every set LEGO has ever come out with?
4
votes
2answers
397 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 ...
1
vote
1answer
84 views

Programming RCX in 10.9 environment

My school has 15 RCX robot kits that this year has just been sitting because all the old computers with OS X 10.4 are now gone and we are using OS X 10.9. I would like to run the original RoboLab ...
20
votes
16answers
23k views

LEGO cleaning techniques and tools

Previously I've used toothbrushes but maybe these would eventually scratch the surface? What have you used? And was it easy? As well as cleaning, what about drying and buffing? Anyone tried polishing ...
1
vote
1answer
154 views

Direct command lego ev3 [closed]

Is there any documentation about direct command bluetooth of EV3? Thanks, regards!
1
vote
1answer
544 views

Code for PID for EV3-g

I want to use PID for my Ev3. I used PID for NXT-G before, but I have never used EV3-G before and don't know how to get PID. Could someone please post a screen shot of the code or upload the file?
-1
votes
1answer
94 views

LEGO mindstorm - which product to use to make projects mentioned below

I have to buy Lego Mindstorm kit for some projects. I really have never used Lego before, my friend asked me to consult him about projects (I use micro controllers and make robots from material I ...
1
vote
0answers
87 views

What method do you use to figure out what set you have? [duplicate]

This question really got me thinking about this: I bought a second hand pack of pieces and it looks like it may be a specific set How do you even go about figuring that out? How would you even start? ...
12
votes
6answers
2k views

Repairing Lego minifigure torso cracks/damage

I have a ton of Lego minifigures that I really put through their paces throughout my childhood (fighting pirates, exploring space... basic stuff really). A number of them are damaged on the torso. ...
0
votes
1answer
212 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 ...
3
votes
1answer
150 views

How can I use 1 motor for grabbing/lifting and another for moving?

I am really stuck on how to use the three motors for better functions. Is there anyway in which I can use 1 motor for efficient/quick movement while turning left and right? Another thing is whether I ...
0
votes
1answer
64 views

Decals for Lego Pharaoh's Quest Flying Mummy [duplicate]

Do all lego sets have decals? I am specifically looking for decals for Lego Pharaoh's Quest Flying Mummy.
3
votes
1answer
219 views

I bought a second hand pack of pieces and it looks like it may be a specific set

Hoping for help to identify a set of lego pieces. It definitely has a car wheel base, and the base boards are green.close
4
votes
1answer
123 views

How much does the NXT brick weigh?

I am working on a project that involves LEGO Mindstorms bricks but for some tasks I want to know the weight of the NXT brick, so I would be pleased if anyone can help me.
1
vote
2answers
140 views

I need information on LEGO part #3001 in Milky White with Sparkles

Have a 3001 part i have come across with a color i've never seen before. It seems to be a milky white but with glitter in it. New style logo with pip on short side. Any ideas to where it came from?
16
votes
4answers
837 views

Which hand is this minifigure extending normally?

I remember more than one argument with a friend over which way LEGO minifigures' hands should be oriented to be correct (with the thumb pointed upward/inward, like a human hand's neutral position). ...
10
votes
4answers
972 views

How should I go about selling $3k worth of unsorted LEGO sets?

Here is my problem. Over the years my son had me buy a large number of Star Wars sets (including 10179, 10188, 6211, 7676, 7675) and he built them. Then he traded (or lost) most of the mini-figs ...
10
votes
2answers
2k views

Are the LEGO Friends Mini-dolls compatible with Minifigures?

I've seen the new LEGO Friends sets, and wanted to know if the Mini-dolls are compatible in any way with minifigs? I'd quite like to get some sets for the new colours however I want to ensure the ...
1
vote
2answers
287 views

What is the easiest way to sell Lego sets for a good price?

I have a HUGE collection of LEGO sets that I want to sell. Ebay is too cheap and Craigslist takes too long. Is there an easier and faster way to get some good money?
3
votes
3answers
98 views

Cheap Lego sets for Kindergarten classroom?

I am wondering what is the best way to get a set of Lego bricks for my kindergarten classroom? The children love playing with them and I no longer own them due to a transfer of grade levels.
9
votes
1answer
213 views

What's the purpose of the clutch gear in Power Functions set?

I have just bought this set and wonder the purpose of the white gear in the middle: How can you use it in your Lego Technic projects? Is it available in other sets?
4
votes
1answer
167 views

Identification of arm like beam

Any part number information about this technic beam?
3
votes
1answer
327 views

What is the history of the Marvel license between LEGO and Mega Bloks?

I just recently learned that LEGO had the license to do Marvel themed blocks back in 2003. When the Iron Man films came out, Mega Bloks produced several Marvel-themed sets. Now LEGO apparently has ...
3
votes
1answer
99 views

Does anyone have a picture of the Lego Club alphabet code from Bricks and Pieces magazine?

Somwtime maybe in the early eighties, I read a Bricks and Pieces magazine with a small panel showing the brick alphabet code and it would be great to have a picture of this if someone has it. This ...
4
votes
1answer
189 views

Help to identify a unique minifig head

I have a minifig head that I can't find on the Brickset website or else where. Not sure where it came from but found it amongst a pile of odd bricks my kids had collected years ago. The head is ...
4
votes
1answer
246 views

How to build an automatic Lego train system?

I was wondering if anybody has ever tried using the IRLink NXT sensor to make an automated train system and if so, what kind of setup did you have to make it all work? I have been working on a train ...
3
votes
1answer
56 views

Where can I find LDraw examples?

Where can I find LDraw files to download? I would like to have a collection of simple Lego examples and want to create step-by-step instructions for my youngsters.
17
votes
4answers
30k views

What is different between the EV3 Home and Educational sets?

The newly announced LEGO Mindstorms EV3 sets for home and education have some differences, but it isn't clear to me what they are, specifically. It seems that have different sensors, perhaps ...
2
votes
1answer
48 views

How to make NXT bricks communicate information?

Is it possible to connect, in some way, two NXT bricks that has program functions running on both. For example, Brick one would tell brick two that it is okay to start a program. Are there any sensors ...
3
votes
2answers
64 views

Is there a time mechanism that can be added to an NXT program?

I wanted to create a system where an NXT block would be set into function at a certain time of day (maybe 5:00 and then 5:10 and so on). I would want the timing function to be embedded into the NXT ...
3
votes
2answers
236 views

Where are the cloth / fabric minifigure capes / cloaks in my set?

I purchased The Mines of Moria (Lego Lord of the Rings item 9473) directly from The Big Store in Legoland, Florida. When I opened it up at home, the capes / cloaks for Pippin and Boromir were ...
16
votes
5answers
2k views

How can I motorize City-scale wheels?

I'd like to build city-scale (6 studs wide) vehicles motorized with either PF motor or clockwork. The primary problem right now is connecting wheel(s) to motor. Are there small enough LEGO wheels with ...
1
vote
1answer
86 views

Where can I buy engraved LEGO bricks?

What is the cheapest site to buy engraved LEGO bricks? I am searching for the cheapest site to buy engraved 2X4/2x6 bricks so that I can put names on them and send them to people. Any insight is ...
2
votes
3answers
344 views

Authentic or Not?

I browse periodically on eBay and see a lot of superhero lego minfigs. Are these real or Chinese knockoffs? It says that they're from China. I just search "lego minifigures". ...
6
votes
2answers
617 views

How can I find the value of a LEGO set over several years?

Bricklink has this handy feature on its site which allows you to view the average selling prices of a particular set based on previous auctions. I like this feature, but unfortunately, it only ...
3
votes
1answer
115 views

What is this model number please?

I don't have the instructions for this and I have no idea what model number this is. Can anyone identify it?
8
votes
2answers
168 views

Is there an XML format for Lego?

I've seen some pretty neat applications using customized XML formats. There is a Musical Notation XML so that a user can create sheet music on XML. With the right software, that XML can be converted ...
2
votes
1answer
375 views

Why are Lego products so expensive in Europe?

Comparing a few Lego products at the official online store, I found U.S. prices seem to be consistently around 70% of those in Europe given current currency exchange rates. That's a surprising ...
9
votes
3answers
3k views

How can I build a LEGO marble pump?

All right, here's a tough one for ya'll. How can I built a marble pump out of LEGO bricks? What would the mechanism which pushes the marbles up need to look like? Here's an example in this video: ...
3
votes
2answers
290 views

How to differentiate Cellulose acetate vs ABS LEGO bricks?

If one had a large tub of old LEGO brick, with some pieces going back to the 1950s, but all mixed together, are there any distinguishing features or appearance to the 1950s cellulose acetate bricks ...
23
votes
6answers
883 views

Does longterm storage in a connected state harm the studs/tubes?

Does storing bricks in a connected state lessen their longevity?
17
votes
5answers
1k views

Can an axle be removed from this 'brick paradox'?

This blogpost on Technic Bricks briefly explains a few 'brick paradoxes' or dead ends. This particular model seems impossible to disassemble by hand: How can I remove the axle without ...
6
votes
1answer
107 views

Tips on shipping large sets (super star destroyer, 2001 Discovery ship)

I have two large sets I'll need to sell when I move (SW super star destroyer, and 2001 discovery). They are both very long (5 feet?) and impractical to ship complete. Any tips for newbie in best way ...
6
votes
1answer
2k views

What sites are available to sell original boxes?

A couple of years ago, I stumbled across a site (not Ebay) where LEGO fans buy and sell items. I have some large boxes for various sets to sell. All my son's LEGO collection is in plastic boxes, and ...

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