5
votes
2answers
934 views

LEGO retiring old sets?

Why does The LEGO Group stop producing/selling older sets when they can still be hot items? I understand that they might affect the sale of future models but older models are rarely replaced by their ...
5
votes
2answers
202 views

What is the purpose of the Technic Axle 6 in set 6847?

In set 6847 (Space Dozer, http://www.peeron.com/inv/sets/6847-1) there is a black Technic Axle 6 that has no structural or cosmetic function in the set. I don't have the original instructions or box, ...
5
votes
2answers
956 views

Pattern for vertical motion using technic lego

I have a motor and some other components that move a machine vertical on the ground. Inside the machine i need to raise a part by 5 cm, up and down. Are there some common patterns that can move ...
5
votes
1answer
547 views

Is this antenna a LEGO piece?

I came across this piece while sorting: It appears to be similar to 2569, but it's clearly a different part. 2569 doesn't have the ridges and has a spherical tip rather than the cylindrical one on ...
5
votes
1answer
229 views

Why does the pin recess on the Technic turntable continue to the edge of the part?

Here's the part in question (2955): While Technic parts typically have a recess to allow the ends of pins to be flush with the surface, this part (and perhaps others) carry this recess all the way ...
5
votes
1answer
605 views

Why did they cancel Mars Mission?

Does anybody know why LEGO canceled the Mars Mission line? It was so good and I almost had everything! I don't wanna buy off eBay because that can get expensive. I liked it a lot!
5
votes
1answer
191 views

What kind of yellow is used for a typical minifigure?

I've done some research and found a basic LEGO basic colour pallet. I recognise the yellow used for yellow bricks (24, Bright Yellow, #fec400) but it doesn't seem to match the colour for minifigures ...
5
votes
1answer
134 views

Help with identifying lego sets

Our family (with very big hearts) gave us some lego they found. But... I do not know what sets they are from. I already identified 11 sets, but cannot find the last 4 (I think) Could you please help? ...
5
votes
3answers
221 views

Which Lego Police set or sets do I have?

We were given a big bag of Lego pieces. When sorting through them my son found a bunch of police pieces but we can't figure out which set or sets they belong to. I've tried looking up a few ...
5
votes
2answers
2k views

Can I use the old 12V rails with the remote trains?

I have a bunch of old 12v track. I am looking to get my son into LEGO, but I am thinking of getting the remote set so we can expand it some more. My question is, can I connect the new track to the ...
5
votes
2answers
15k views

Building instructions from an LXF file

I've downloaded an LXF file from rebrickable.com. Which software do I need (for Windows and/or Linux) to get the building instructions based on the LXF file?
5
votes
2answers
242 views

Chinese Knockoffs?

I'm looking at the Lego Super Star Destroyer on eBay and I see that a number of people are selling it for ~$600 USD. From time to time there are bids that sell at ~$300 USD that claim to be sealed and ...
5
votes
3answers
2k views

Is there a Technic set that is just an assortment of parts and not a specific vehicle?

Can I buy Technic sets that are just assortments of parts as opposed to a specific vehicle? Background I do research on sediment carbon cycling in lakes and I need use a rotating array of magnets to ...
5
votes
1answer
306 views

What is the purpose of the hole in the 12 x 12 boat bow (6051)?

I recently received Renegade Runner (6268), and I noticed that it has a somewhat awkward hole in the bow: The main bow piece has a hole for some reason, but I'm not sure what it is for. Here's the ...
5
votes
2answers
432 views

List of Helpful Websites for Beginning Collectors

I recently wandered into my father's basement where my brother and I used to have our "game room" setup. I stumbled across a massive amount of LEGO that we had collected over the years. Since then, ...
5
votes
1answer
235 views

Is there a list of colours currently in production?

Is there a list anywhere of colours currently being used by Lego for new sets? There seem to be lots of comprehensive lists of all colours released ever, but few that relate to in-use colours, for ...
5
votes
3answers
175 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 ...
5
votes
2answers
309 views

Any way to create a gear+chain, like for a bike?

I would like to create a LEGO bike. I can imagine how most of it would work, but i'm stuck at the chain. I need a way for the turning pedals (at one spot) to cause the wheel (in the back) to spin ...
5
votes
1answer
226 views

How can the “Bar Holder with Clip” part be used?

I'm wondering whether the "bar holder" end of this element (http://www.bricklink.com/catalogItem.asp?P=11090) can be used as a stud. In other words, would it have enough clutch power to hold e.g. a ...
5
votes
2answers
673 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.
5
votes
1answer
468 views

Best mini LED spotlight for Lego display case?

I am currently building the Creator Sydney Opera House and planning a display case for it. I would like to light the canopies with spotlights just like the real thing, but have not found LED ...
5
votes
2answers
301 views

Technic 8071 assembly problem

I am busy attempting to assemble Technic 8071, and have encountered a problem. On page 83 of the first manual, a yellow gear (4203493) together with a grey splined rod (4211815) is added to the ...
5
votes
2answers
720 views

Is the PWM on the PF Servo motor different than the PWM from an Arduino?

I have a Arduino motor shield connected to XL, L and M motors and can control the speed with PWM (Pulse Width Modulation). I made my own connector by cutting a Lego PF connector in half and wiring up ...
5
votes
1answer
860 views

What LEGO cases are available for phones?

I would love to have a LEGO case for my HTC Desire that have LEGO compatible knobs so I can attach LEGO brick on it. Be free to post answers for LEGO case that is for other phones as well, as this is ...
5
votes
1answer
753 views

What is the name of the Technic pieces that snap together to make a track?

We have these little black Technic pieces that connect together; they make a track that fits over the gears (sort of like wheeled-belt-track on excavators or tank track). Can you tell me the name of ...
5
votes
1answer
325 views

How should I model a Heroica Banquet hall?

My son had a great idea for his Heroica game: Convert one of the desks from the Fortraan set into a table with food, and then your Hero could stop there and eat to regain health. I pointed out that ...
5
votes
1answer
123 views

Where are the electric pieces for 42029?

I was building LEGO 42029 Customized Pickup Truck, when I got to a page where I needed electrical parts, such as the battery box and the wires. I checked and these pieces were NOT included. Should ...
5
votes
1answer
143 views

Is it possible to create your own wheel?

After my other question, i pretty much have a bicycle design all planned. My problem now is with wheels. None of my LEGO wheels are big enough to work on a bike. And, the biggest ones are all pretty ...
5
votes
2answers
504 views

Is it possible to create a differential if I don't have it as a ready to use element?

I have numerous gears, axis and other elements from different Lego Technic sets. I wonder if using them I can make a kind of a differential like this? If not, how can I implement similar ...
5
votes
2answers
134 views

Opaque bricks with no center post?

What is the purpose of 1x2 red bricks without a post inside the brick? I know they often leave out the middle post on transparent bricks to make them look more window-like, but what about in opaque ...
5
votes
2answers
8k views

How can you estimate the value of a LEGO collection?

I might get a chance to buy a big LEGO collection of an old colleague of mine, but before I even come out with this suggestion I'd like to know, more or less, how much it should be worth? The last ...
5
votes
1answer
702 views

Buying another kit instead of 8293-1: Motor Set?

I want to get some motors but don't know if it is a better idea to buy 8293-1: Motor Set or try obtain motors from some other sets. Is there any kit challenging 8293?
5
votes
1answer
501 views

What can cause programmed NXT 2.0 motors to misfunction when small resistance is applied?

I have robot built per the Alligator tutorial included with Mindstorms NXT 2.0. Everything works correctly if I hold it off the ground and make sure there is no load on the two leg motors. However, if ...
5
votes
3answers
740 views

Making or buying a really long Power Functions cable

I'm working on a train layout and have built 2 automatic switches for the switch track. Each switch track is powered by M-Motor. I'd like to connect the 2 motors to a single IR receiver and battery ...
5
votes
1answer
1k views

Can 10153 9V train motor be powered by the Power Functions Battery pack?

I am currently making the switch to Power Functions with my Lego Train collection and am wondering if I can power the old 9v motors that I used with the metal rails, with a battery box from the power ...
5
votes
1answer
268 views

Access hatch in a wall?

Working on a 10 stud by 10 stud Square bell tower for my annual project. Need to create a access panel/door. Any tricks that can be done so it's hidden or at least not easily noticed? I need to hide ...
5
votes
1answer
112 views

Inverting voltage to PF motor

I often use separate PF motor for each driven wheel. Sometimes the most interesting design of mechanism requires opposite polarity of power supply to motors. Is there any simple non-destructive way to ...
5
votes
1answer
145 views

Where did “LL 928” and “LL 929” come from?

Just finished putting Benny's Spaceship set together, and the Number printed on the side is "LL 929" which appears to be an increment from a much older set the Galaxy Explorer, which had "LL 928". My ...
5
votes
1answer
208 views

What lego set is this? Possibly a pirate ship?

my wife picked up this lego set at a garage sale. The owner claimed it was a ship, perhaps a pirate ship, and that the set was complete. It does have something resembling a bow, and several tall ...
5
votes
1answer
157 views

Pass sensor or motor port number as a parameter

I want to create a block for one light sensor or one motor separately. Is it possible to give the number of the port as a parameter to a sensor or motor block via data wire? In NXT-G it was possible.
5
votes
2answers
358 views

Personal part collection on the web (Bricklink or alternative)

I started using Brinklink a few months ago and although I really like it the interface is terrible. I am looking for a specific feature but don't know if it's unsupported or just I cannot find it. ...
5
votes
2answers
3k views

Is there any way to buy specific duplo blocks from Lego (pick-a-brick style and/or in bulk)?

I'm brand new to this site, so please bear with me... I've used the search function with no luck, trying to find similar questions that have already been asked, and I've skimmed all the ...
5
votes
1answer
274 views

Will using a bright LED to light my MOC harm my LEGO?

I'm building a LEGO model and planning on lighting it with a bank of 5 battery operated LEDs. I know sunlight negatively affects several LEGO colors. Will a bright LED harm the elements in my MOC the ...
5
votes
1answer
201 views

Why 2M Cross Axle has Groove?

I was sorting axles noticed only 2M has grooves. Why 2M Cross Axle has grooves? Is it for alignment?
5
votes
1answer
503 views

NXT motors not moving?

I've been looking around the net for a solution to this problem, to no avail. After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then ...
5
votes
1answer
180 views

Gunner bot programing

I just build the RCX Gunner Bot using the instructions from this web site. I had to build something different to the one we built in the class, I added a touch sensor and light sensor, so the bot ...
5
votes
1answer
271 views

Is there only one lego Rohan soldier? Why?

As far as I can tell, Lego has released only one set containing a regular rank-and-file Rohan soldier, that is Uruk-hai army. Is this correct? Why is it so?
5
votes
1answer
493 views

Program a full rotation of a NXT motor in X seconds

I'm interested in mimicking the functionality of the Arqball Spin, at $60 it isn't cheap so I'd like to make the most out of my Mindstorms parts. I'd like to use NXT-G to program a motor to rotate ...
5
votes
2answers
509 views

Is the Lego 8884 IR Receiver compatible with earlier IR Speed Remotes e.g. from set 7897?

I'm thinking of buying the new Train power function, e.g. 8884 IR Receiver, 88000 Battery Box, and 8879 IR Speed Remote. However I already have the set 7897, is the Speed Remote from this set ...
5
votes
1answer
365 views

LEGO Scalextric?

I have a couple of these car parts in my collection but cannot find anything about them. They are copyright 2003 and show a number 3213 on the back axel. Interesting is that they have 3 electrical ...

15 30 50 per page