LEGO® Answers Stack Exchange
LEGO® Answers Stack Exchange

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1500 questions
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Can I still motorize Universal Building Set 8034 and other from that time with modern elements?

Set 8034 was supposed to be motorized using 8700. Of course, this is way outdated and kinda pointless to buy motor this old. Current set for this purpose is 8293. Problem is, old motor was 5 studs long, new one is 6, and new set does not provide…
Mołot
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Is the LEGO Space theme discontinued?

I really liked Space when I was a kid. And now is the time when my friends have kids old enough to play, and I'm old enough to admit I like to play. But I can't see any space sets except realistic City ones, and Star Wars. Is there any official or…
Mołot
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Connecting "out of system" roads?

I've been trying to figure out how to connect SNOT road models that are at varying angles to one another. You can see my efforts in this thread. Are there any interesting methods of connecting roads like these that most people might not be aware of?…
posfan12
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What does taking Raw value for EV3 Colour sensor do?

I participate in Robotics competitions like the WRO and I want to know if using EV3 colour sensor raw values helps in line follow.
Vikhyat Agarwal
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What causes certain LEGO parts to yellow over time, and how can this be prevented?

I've noticed that certain LEGO colors have a tendency to turn yellow over time. For example, I have a set of 4 "white" wheel hubs that are all now various shades of yellow: I know there is already some information on how to fix this, but I'd like…
Jury
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Can you identify this Black Plane or Spaceship with black arches for wings?

Can anyone help me to ID this incomplete LEGO set? It looks like a black plane or spaceship to me.
MMMM
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4 answers

How to load an RCX from a modern system?

I recently bought a new in box 1.5 Mindstorms kit featuring the RCX. My computer unfortunately does not have a 9-pin connection, and the software does not appear to work on Windows 10. Short of buying an old computer, what can I do to still load…
Weckar E.
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How much does the Luke's Landspeeder (8092) weigh?

I am considering buying Luke's Landspeeder (8092). However, because I will be traveling soon, I would like to know the set's weight first. LEGO.com doesn't list the weight, only the piece count and size, neither of which are too important to…
Peter Cassetta
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Buyer security on BrickLink

I'm interested in buying LEGO bricks from BrickLink; the inventory is impressive, prices are good, and it is recommended by many LEGO builders. Since you buy from unknown sellers abroad, I want to minimize the risk of scams or getting disappointed…
Gruber
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Is there a tool that generates my parts database?

I have many LEGO sets (mostly Technic) and I would like to build a list of parts (including colours). Is there an online service that does that for me based on the set IDs?
BalazsToth
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What is the tiny-hand most-friendly sets to migrate from duplo to lego?

How do I migrate a kid who's taken an interest in lego (with a preference to minifigures) from their current duplo collection? I'm tempted to buy just mini-figures, but have seen some "mini" sets that are mini-figure heavy like The LEGO® Batman…
Nita
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Why does the Brickset inventory page incorrectly list a set as including 200 of a part when it actually includes more?

One example of this issue would be a set like 42056 that has 516 black Technic pins with friction. Brickset lists it as only having 200. Is this a technical limitation of some kind? What causes this?
jncraton
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AA Battery Packs 54950c01 vs 59510c01

What is the difference between these two battery boxes, 54950c01: and 59510c01: except for the on/off button? Which electrical connectors are compatible with each of those? Is there a counterpart for the 54950c01 button to make it similar to the…
mike
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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?
Major Stackings
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Where do I find Mindstorms building plans?

I have the Mindstorms NXT 1 kit. It includes a printout of the first robot model building plans. The plans for several other robots (e.g. the scorpion bot) are included in the NXT software. However when I run the software, everything works, but it…
Till B
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