LEGO® Answers Stack Exchange
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1500 questions
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Lego with hollow posts underneath - dates?

When did TLG change the small posts on the underside of the modern bricks and plates , eg 1x6 and 1x4, to hollow ones?
David Simpson
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What is this small space-themed set from possibly the early 90's?

I have a bunch of LEGO bricks mixed together. I recognize a few of them as going together for some small set that I no longer have the instructions for. I believe I got this set in the early 90's. The minifigure rode some sort of small…
NeutronStar
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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 box and sometimes in the instructions…
mcqwerty
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How can I make church bells with a pull cord?

I would like to allow the viewer to pull on some strings or chains and let that ring my church bells (I know it won't make much sound, that's fine). I'm thinking I'll need a pulley and some string, right? Then, do I just thread the axle through the…
Monte Gardner
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Can you identify this part? (Lego themselves couldn't)

These pieces (3 shown) predate 1990. I don't know which set they belong to or what they were/can be used for. I asked Lego but they didn't know either.
user965972
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Procuring alternative rubber bands

I am reassembling old sets from my LEGO collection and, naturally, some parts are missing. Many parts are easy to get on Bricklink, but some parts are either missing or too expensive to buy for the little aesthetic value they bring. Rubber bands.…
Maurycy
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Connecting to NXT Brick via Processing over Bluetooth

I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather well, but establishing the connection itself is…
Matthew Bernhardt
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6x6x6 cube with smooth plates on bottom?

Adult, returning to Legoland and the world of LEGO. I'm interested in building a static 6x6x6 cube that is smooth on all six sides. I can see how to get the top smooth, using an appropriate build up with blocks and plates, and capped with smooth…
Bruce Simonson
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NXC Saturation algorithm for limiting motors?

What is a good algorithm in NXC for control saturation? I want to make sure my motors don't turn past a certain angle, or they will break the model. I could do something like: if (angle > 45) {angle = 45;) But that would be a hard limit. I'm…
Antonvh
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Displaying Minifigs and avoiding discolouration

I have just made some frames (IKEA box frame, white mount board, 70 2x4 white bricks per frame, and super glue) to display some of my minifigure collection: Really pleased with the results (and even my wife is happy to have them on display in the…
Magic Bullet Dave
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Identify this license plate holder piece

Please tell me the name of this piece. I've been looking for it for hours on LDD and have tried searching for it with many names. I know that you use it for cars and it's a very common piece too. The source of the picture is this WikiHow article,…
Mark Thrill
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Can anyone identify these minifigures?

I was searching Bricklink for info about the marked minifigures, but I can't find anything. I want to know if these minifigures are fake or if these minifigs are in someone set that I can't find.
Gawey
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Alternative to LEGO CONTROL+ app

My son just received the Liebherr R 9800 excavator 42100 LEGO set. It would seem the Control+ app that is recommended for it simply won't work. It doesn't even connect to the blocks. What are the available alternatives? And if this SE allows it, any…
Jeffrey
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All-purpose Technic set?

For LEGO Classic there are plenty of "build anything" kinds of sets, but is there something like that for Technic? Ideally, I'm imagining a box of the most useful 1000 or so Technic pieces, so that whenever one wants to build an original (and…
Mentalist
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TTF font for LEGO bricks

I'm in the process of reprinting labels for the zillions of LEGO storage drawers in Junior's toy room. I'm not looking for a font that depicts Latin alphabet characters seemingly built out of LEGO bricks, but instead a font which code points map to…
Alain Pannetier
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