LEGO® Answers Stack Exchange
LEGO® Answers Stack Exchange

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1500 questions
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Trains overview image

I'm looking for an overview image of all trains ever released by LEGO. With trains I mean train sets containing locomotives and wagons that run on train tracks. There is a beautiful image from Jeroen de Haan, which shows all trains from 1981 to…
jerone
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Steering mechanism for City-scale vehicle

I'd like to build city-scale (6 studs wide) motorized vehicles with PF remote control. There are already several suggestions on how to motorize wheels. The next challenge is steering mechanism that can be connected to motor (with gears or by other…
Denis Otkidach
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Is there a database of original Minifigure configurations, including their personal gear?

Is there a minifigure museum? I have a gallon jar (& more) of minifigures that my kids have mixed and matched. Is there a website I can reference in order to put the minifigures back in their original configurations (including their gear)?
Major Stackings
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What is the best way of getting muck out of bricks?

I purchased a large bulk load of bricks for my 7 year old. Most have washed up quite well, but some of the bricks have various substances stuck in their underside. The types of foreign substances vary, eg. mud, playdough etc. What are good ways of…
Kramii
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Historically, what types of sets have proven to be a great investment?

My brother recently sold some of the lego he had as a child, and they went for a lot more than they cost originally, even taking inflation into account. So, what types of sets have risen in value most over the years?
Kramii
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Any way to make this setup "tighter"?

I'm trying to build a robotic arm, and I had the following built so that there was the minimum possible movement created by the gear wheel (that connects to the worm). However, there is still play, where all the pieces are pushed together by the…
freefaller
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What is the difference between these hole shapes?

I purchased an assorted bag of LEGO Technic pieces. There are pieces with axle holes, but what puzzles me is that the holes are different from what I am familiar with. There's a piece with an hourglass-shaped hole (center of photo). What is the…
Torben Gundtofte-Bruun
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Difference between LEGO Castle and LEGO Kingdoms

Can anyone explain what the difference is between LEGO Castle and LEGO Kingdoms. I don't understand why they are not in the same product group. Also LEGO Kingdoms is no longer listed on the lego.com website.
Nebu
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What kind of metal/alloy were on the old LEGO 9V train tracks?

LEGO's train tracks (the actual rail part) were made from some kind of metal alloy that does not seem to oxidize, and seems to have good electrical charateristics (low resistance). Any ideas what this might be?
mikl
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What can I do to repair my minifigures loose neck/head joint?

I have a number of loose neck joints on my minifigures. How can I repair them? Any suggestions?
jfyelle
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How can I build a human-scale Lego gun?

I would like to build Lego projectile weapons. Are there any designs available? Can one make an amunition magazine and self-reloading mechanism? Should I use rubberbands as ammunition or are there designs that fire Lego bricks?
jfyelle
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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 putting a few drops of dish soap in a laundry tub…
user1822824
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What is the centre hole for in modern train tracks?

LEGO train tracks have 3 holes in each of the segments: I understand the two outer holes are used with a throw-away piece to keep them stacked while shipping, but what is the center hole for? Is it just for saving a bit of plastic? Or perhaps just…
Josh B
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Third-party blocks with a smiling face or an umbrella with 2 dots on each side

I bought a bunch of duplos from the thrift store and inside there was not Just duplos but also mega bloks. I was able to separate most of them but there are a few that I just cannot tell which is which. They have a logo in the middle of the stack…
Lisa A
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How do I organize all my LEGO bricks and parts?

I have a massive amount of LEGO laying around in a container. It's kind of hard to sort through whenever I need parts. I was wondering if anyone has experience with many different sizes of LEGO bricks/parts and how to organize them. This seems like…
bogen
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