LEGO® Answers Stack Exchange
LEGO® Answers Stack Exchange

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Why do official LEGO PDF instruction books have such poor quality?

More often than not, my boys are working from PDF instructions downloaded at the LEGO site. The quality of those PDFs is poor. I'm sure you've experienced the jagged, pixelated lines and the bricks so dark you have to figure out the size through a…
Jeff Severns Guntzel
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Why are 2/3 height bricks with studs on the side 2 studs deep?

This question is regarding the 2/3 height bricks with studs on the side. The two that I am aware of are 99206 and 87609: If you haven't seen them before, these are functionally somewhat similar to an Erling brick used on its side. I'm curious why…
jncraton
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How can I build a Lego rubik's cube?

How can I build a LEGO Rubik's cube, I have 2 of them, and I've built them several times, but how can I build a LEGO Rubik's cube.
Matcelo barrantes
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Alternative for Technic, Gear Rack 1 x 7 with Axle and Pin Holes?

We are trying to build a MOC which requires Technic, Gear Rack 1 x 7 with Axle and Pin Holes and we don't have that. Could we build it? Or are there any alternatives? FYI we do have Technic Gear Rack 1 x 4 and 6630 - Technic, Gear Rack 1 x 8 with…
Naveen
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How can I tell if my gold C-3PO minifigure is legit?

I just bought a used gold C-3PO (not the 14k version, but the 10,000-made version). There are some places under the arms and on the right foot where there is no gold paint. I think that they are all like this, but I'm not sure. I'm looking for…
user3210
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Battery for Trains

For those who have tried, which one is a better option: Rechargeable Battery Box and Transformer/Charger 10VDC ($50 + $25) or AAA Battery Box and a lot of AAA batteries ($13 + ?) Obviously $75 is more than $13 + $5 for batteries, but they wear…
Farhan
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What is the popular challenge of solving the Rubik cube as quickly as possible using LEGO bricks?

I saw videos of people participating in a race to resolve a Rubik cube as quickly as possible using Mindstorm LEGO robots. Can you provide information whether there is a competition and on who is involved? What is the research/design process? Is…
jfyelle
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Is this skateboard piece LEGO?

I bought some second-hand Lego and it's a total mish-mash of parts. There was a small quantity of Mega-Bloks in it, but those parts always seem easy to identify. However, I'm stumped about this piece that resembles a skateboard, only it doesn't have…
Mr. Shiny and New 安宇
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Where did "Cheese Slope" get its name?

Why is this piece called a "cheese slope"? "Slope" I get; but "cheese"?
Dave DeLong
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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.
user23
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Alternative products compatible with LEGO

I heard that lately a patent for LEGO expired and now everyone can create a company to produce bricks that are compatible with LEGO. I am wondering how many of such companies are there. I know one from my country, Cobi. Can you point me another…
noisy
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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 another pulley. But it didn't work out that…
Jon Ericson
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Damage Boiling LEGO Bricks

I bought some LEGO bricks from shop on Bricklink and received them yesterday. In order to make sure that the pieces were nice and clean (they were used) so that my two year old can play with them, I boiled them for a minute first. I've done this…
mj_
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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 this part. The parts are roughly the same…
jncraton
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Does the jumper plate have a Danish nickname?

Does the "jumper plate" (1×2 plate with centered stud) have a Danish nickname like the "Erling"? Who is the designer of this part? And does there exist a catalog of designers of specific bricks?
Peder Svend Pedersen
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