7
votes
1answer
522 views

Can I re-use my LEGO Store Pick a Brick cup?

I was wondering if anyone went into a LEGO store with their old Pick a Brick cup and got a discount for re-using it, or do you have to buy a new cup?
7
votes
1answer
654 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 ...
7
votes
1answer
314 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 ...
7
votes
2answers
271 views

How can I remove a rubber band from a pulley?

We have a pulley and a bunch of rubber bands: We don't know that part numbers, but they all were part of a Mindstorms (RCX 2.0) set. My son was trying use the pulley and band to transfer power to ...
7
votes
4answers
2k 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) ...
7
votes
2answers
1k views

Exact dimensions of studless Technic beams

I'm looking for the exact dimensions of the studless Technic beams. I found a number of answers for studded beams but there are some more aspects for the studless beams which are not covered. I'm ...
7
votes
1answer
186 views

Who built the LEGO structures for the film “Elf”?

My daughter greatly enjoyed the look on my face when the guy destroyed Buddy's LEGO models in the film Elf. She wishes she had a picture of me. The question is: Does anybody know who built the LEGO ...
7
votes
2answers
442 views

Alternative (back of box) builds of 7822 Railway Station - is there an 'official' configuration where the track terminates at the station?

I am looking for a scan or photo of the back of the box of the 7822 Railway Station Background: As is common with Lego sets, there are a number of alternative builds pictured on the back of the set ...
7
votes
2answers
704 views

How do I add a light to the Red Cargo Train?

I want to add led light to the front (and probably back) of the Red Cargo Train but the shape of the light is making me wonder what brick I should use to hold the light. I've never seen these lights ...
7
votes
2answers
485 views

How do I build a paper feeder with LEGO to transfer a single sheet of paper from a deck robustly?

I want to create an apparatus (which might be called a paper feeder) to take a still image for each paper taken from a deck of 500 sheets robustly. Robustly means that the apparatus must guarantee all ...
7
votes
3answers
797 views

Can you build accurate models using 100% LEGO elements by following Megablocks instructions?

I shudder when I find errant MegaBloks in my LEGO elements, but admit to admiring certain in-the-box models offered by them. I know the pictures depicted on the MB boxes are not actually photos of a ...
7
votes
2answers
1k views

Whatever happened to Architecture 21015 Eames House?

The set was scheduled to be released in 2012, no such luck. Any idea on why it never came out? Was looking forward to building it.
7
votes
1answer
722 views

List of prototype or unreleased themes

I recently discovered the unreleased "Seatron" theme (basically an early Aquazon prototype with elements from M-tron) as I was looking around for building ideas. After some searching, I also found the ...
7
votes
1answer
181 views

Are third party NXT compatible parts safe to use?

I bought the Mindstorms NXT for my son's coming birthday and I noticed that there are several places you can get third party parts to use with it (sensors, connectors, etc). Are these safe for the ...
7
votes
1answer
371 views

Are the molds for LEGO bricks maintained in house or is maintanance partly outsourced?

I'm a maintenance engineer myself and busy with my MBA courses with the following strategic question: what maintenance can be outsourced or not. I was wondering if Lego does all maintenance of the ...
7
votes
2answers
701 views

How to fix my XL motor?

I used the XL motor near water. Now it stopped working. Can someone tell me what I can do to fix it?
7
votes
1answer
878 views

Replacement power cable for Mindstorms RCX

I have an old Mindstorms 1.5 RCX. The plastic on the power cables has degraded, and they short out and don't work well. These look like they would work as replacements, but I'm not exactly sure. I ...
7
votes
1answer
2k views

Is there a way to convert a 3D model into a lego sculpture?

After researching this question for a few days, I want to post it here so I can share what I learned in an answer, and hopefully learn some new techniques too. If anyone has found another way to do ...
7
votes
2answers
225 views

What are the special features of the Ferrari F1 Racer 1:8 kit?

I found a good price on the Ferrari F1 Racer 1:8 kit. From the picture of the box cover, it would seem that the steering wheel can turn the wheels, but I cannot identify any other moving features. ...
7
votes
1answer
271 views

How do they decide when to remove an element from production, and what happens to the molds when they are retired?

We all know certain LEGO elements are no longer being produced. How do they decide when to remove an element from production, and what happens to the molds when they are retired?
7
votes
1answer
255 views

Is there a web service showing me the LEGO set with the most parts?

I'm interested in a challenge building a set with very much parts. I thought of the Unimog U400. But is there a webservice, where the sets are sorted by number of parts?
7
votes
1answer
562 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? ...
7
votes
1answer
2k views

How does the Super Awesome Micro Project work?

I've recently read an article about a car which is made entirely of LEGO and it runs on air. I'm curious about how it works. Can someone explain the details of it? Here is the car: These are all ...
7
votes
3answers
5k views

Which LEGO Technic sets include instructions to add the Power Functions accessory box?

Some LEGO Technic sets apparently come with instructions to add a motor, using the pieces from the Power Function Accessory Box (set 8293). Is there a list of the sets which do contain such ...
7
votes
1answer
342 views

Are the older (hollow underneath) brick elements considered “collectable”?

I know. I know. All LEGO elements are collectable. I mean are the older, tubeless bricks valued above and beyond the fact that they are still viable pieces to build with?
7
votes
2answers
2k views

How many different types of Lego bricks have been produced?

I was curious and wondering: How many different types of Lego bricks have been produced since the start of the company in 1949?
7
votes
2answers
4k views

How do I make my own LEGO stickers?

I'd like to make my own stickers like the ones produced for LEGO sets using a design I've made in Photoshop. What do I need to make stickers for LEGO, what kind of printer do I need? Will the ...
7
votes
1answer
532 views

Are there LDraw files for the standard Heroica components?

I'm using MLCAD to design and polish some Heroica maps. As I go I've made various LDraw files for the common map components (6x6 tiles with 4 spaces, 4x1 hallways, etc.) as well as some aliases for ...
7
votes
1answer
134 views

What kind of activities can I expect to find at a LEGO Kids Fest?

There is a LEGO Kid's Fest coming to my community soon, but I noticed that the admission price is steep ($20.00 for each adult). What kind of activities can I expect for the kids? Link to LEGO Kids ...
7
votes
1answer
145 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 ...
7
votes
1answer
353 views

Alternative controller for LEGO NXT

I love the NXT platform and have quite an investment in sensors and motors, etc. I would like to know if there are alternative controllers that have been integrated with the NXT sensors/motors. By ...
7
votes
1answer
603 views

Why is my LDD model incomplete after I export it to LDraw?

I have an LDD model that I exported to an LDraw file. When I opened it in LDView, only part of it was displayed. It looks like some parts were not exported properly. Is it normal? Why does it happen? ...
7
votes
1answer
1k views

How many hours of travel does it take to wear out LEGO monorail tires?

I've seen some pretty impressive LEGO tire driven/cushioned monorail displays that put miles of wear on the track and the train cars that ride on it. I'm hoping a monorail expert can tell me (about) ...
7
votes
2answers
5k views

Remote Control option NXT Mindstorms

I bought the NXT Mindstorms education software v2.1 along with a Mindstorms kit (which I don't know the version of). I am trying to remote control a robot I made using bluetooth between my mac and ...
7
votes
1answer
683 views

Is it unethical to distribute 3D models of Lego bricks?

So say that I use LeoCAD to export some brick models to Blender. Would it be unethical to modify the models in various ways (tris to quads tool, subsurfacing, textures, rigging, etc.) and then ...
7
votes
4answers
6k views

RCX firmware download problem

I hope someone can help me with a problem with getting an original RCX 1.0 system working with a current PC. I bought the RCX 1.0 system back in (I think) 2000 but its been in storage a long time. In ...
7
votes
1answer
630 views

Which buildings were based on sets in the LEGO Island video game?

The Wikipedia article for Lego Island mentions 'Most of these buildings are based on real Lego sets in circulation at the time of release for the game.' I haven't played the game in a long time but ...
7
votes
1answer
3k views

Are nanoblocks compatible with other building bricks?

Recently I have found Nanoblocks, a Japanese brick toy, in American stores. How compatible are these with other building toys? They look to be approximately the same scale as Modulex.
7
votes
1answer
397 views

LEGO and fuel company commercial relationship?

Over the years LEGO has used a number of real-world fuel company names on its products: ESSO Shell Exxon. I'd be interested to understand the commercial relationship between LEGO and these ...
7
votes
1answer
359 views

Are the blue and grey 12v train system compatible?

Are the two generations of 12v train compatible? Eg can you combine a "blue" remote controlled point and a "grey" 12v transformer? Main motivation for this: I have a complete "grey" set of trains, ...
7
votes
1answer
403 views

How can I power an NXT motor without the NXT brick?

I know almost nothing about robotics, so I was wondering how can I power the nxt motor without using the nxt brick, and how can I send signals to it?
7
votes
2answers
361 views

What was the 12v AC socket for on the 7864 transformer?

The 7864 transformer had, in addition of the main regulated outlet for controlling trains and a fixed 12v DC for plugging in remote controls and lights, a third socket available which provided 12v AC. ...
7
votes
1answer
765 views

Can the RCX connect to infra-red on a computer?

Can the RCX connect to a laptop with a IR reciver on it? I want to program my RCX on my computer, But i have no db9 (Lego RCX connecter for 1.0 tower) seriel connecter nor a converter.
7
votes
1answer
1k views

What IR Codes are the Power Function remotes sending to the receiver?

The PF IR Speed Remote Control (the train one) is "7 speeds" but as I turn the dial to make it go faster it's hard to tell what speed it's at. I wonder if I could setup my programmable remote so that ...
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 ...
7
votes
1answer
1k views

Adapting charger for NXT 9798 battery

I have an old style 9798 NXT rechargeable battery pack 7.2V 1400MnAh, but no charger. Can I adapt a spare non lego 9v 200mAh charger for this? Or is voltage too high? can anyone read the output ...
7
votes
1answer
1k views

Where can I download the Samantha Field Control System?

Could someone please provide a download link? It seems that all traces of the program has disappeared from the internet, and I need this to get my robot moving wirelessly. Any help would be greatly ...
7
votes
3answers
216 views

How can I preserve opened Lego packages?

For some reason I keep my old Lego boxes (since the 1980s), and my son's old Lego packages. Because they are quite large, they take up a lot of space in my house, even if they are put one into ...
7
votes
1answer
328 views

When I connect my Samantha Module to my NXT, the NXT shows the wrench icon

When I connect my Samantha module to my NXT, it shows the wrench icon instead of the USB icon. I have tried updating the firmware, to no avail. The blue light does not turn on. It sees the WiFi ...
6
votes
4answers
681 views

What LEGO wheels would look like the three types used on the JPL Mars Rovers?

I would like to build the three types of JPL Mars rovers (Sojourner, MER and MSL) with the right size ratio relative to each other. For that, finding the right wheels would be the hardest thing. I ...

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