Questions asking for information about a known LEGO element/brick. Include the [Identification] tag for questions about unknown elements.

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2
votes
1answer
128 views

Is there such a thing as this 2x4 brick in existence?

I've been working on a little history project to make a shadowbox/display-type thing of all of the major evolutions of the 2x4 brick over the years. (I know this can get really in-depth, and I'm ...
1
vote
2answers
68 views

Which 3307 Arch 1 x 6 x 2 is correct for 10225 R2D2 Set? “Thick Top with Reinforced Underside” or “Thin Top without Reinforced Underside”

BrickLink shows that the 10225 R2 D2 set contains 3307 Arch 1 x 6 x 2 "Thick Top With Reinforced Underside", but I purchased that set and mine contains the newer "12939" variation which is described ...
1
vote
1answer
41 views

Mid-sized black plate options

I'm looking for a mid-sized (16x16, 20x20 ish) black plate for mounting on a wall. It can be a regular plate or baseplate since what I am mounting it on is not Lego and it doesn't need to fit into ...
11
votes
3answers
3k views

How is the LEGO plastic different from Megablok plastic?

It's obvious that LEGO has better quality control, but what about the plastic they use? Megabloks look cheap and the parts seem to vary in color in a side by side comparison next to LEGO brand ...
0
votes
1answer
112 views

What is the name of this almost triangular shaped Technic beam?

Okay so, I've been on BrickOwl.com for the past day or two, trying to find the names of the peices for a LEGO GLaDOS that this guy made because he doesn't give the names, at around 12:50 he uses this ...
3
votes
3answers
2k views

Why are new LEGO bricks softer than old ones?

The older bricks that were made back in the day, "pre-2K", seem to be made out of a harder and more durable brick that would hurt your feet when you walked on them. Now it appears that since the other ...
2
votes
1answer
76 views

Ringing bell DUPLO [duplicate]

It's a yellow curved piece, (like the eye piece), with a red button on top that rings like a bell. My kids had this growing up in the 80's. Any info on what this piece is called or where to get one ...
2
votes
3answers
1k views

What's a good base collection of tiles?

I recently picked up a copy of the LEGO ideas book, and been inspired. As a novice builder, I've noticed that almost every model makes use of tiles to provide a finished look, which seems like a great ...
1
vote
2answers
94 views

Looking for set to go with a specific brick [closed]

I have a bunch of random Lego pieces and looking to see if they come with a specific set. I have a picture but not sure how to post. Is anyone able to help?
1
vote
2answers
152 views

How can a brick/color combination exist but not be part of a set?

In a recent question the 2x4 transparent brick in neon green came up as a rare part (see Does someone know where i can find this lego brick?). It doesn't seem to be listed as part of a set (at least ...
7
votes
4answers
481 views

Help identify mystery piece and set it could go to

More mystery parts from the bags of LEGO pieces we bought. I can't find a LEGO symbol on it. Is it a LEGO part or some other brand?
7
votes
3answers
4k views

How to sort complete sets from box of unsorted LEGO

My son has thousands of pieces of LEGO, but he has them all dumped in a box. Is there any way to figure out what sets they went to if I don't remember the names of them?
8
votes
2answers
170 views

What is the biggest base plate available?

I'm looking for as large a base plate as possible. Below is a 48x48 stud base, it's the largest I've seen. Are larger plates available? Either the thin type (as pictured) or the regular plate ...
6
votes
1answer
181 views

How can I stop the LEGO Cargo train 60052 wheels from skidding on track?

I have the Cargo train 60052, it's only around a year old and lately I've found on starting it (on both straight and curved track pieces) it isn't moving, the wheels seem to skid on the tracks and I ...
2
votes
1answer
109 views
5
votes
2answers
449 views

What is the special Lego Movie 1x1 element shown in the Channel 4 documentary 'Inside Lego at Christmas'?

I recently watched the UK Channel 4 documentary 'Inside Lego At Christmas' and in it, one of the employees of Bright Bricks showed a tall 1x1 element that he described as a brick that Lego came up ...
25
votes
3answers
3k views

What is inside the “weight element” brick?

I own a few bricks that contain a weight inside of them. 52g according to Lego. What exactly is inside of these bricks that makes them heavy?
1
vote
1answer
140 views

Which lego set is the cheapest one containing a motor

Which legoset is the cheapest I can buy in a store with a electric motor in it?
2
votes
1answer
110 views

How much tension can I expect to get out of a lego chain before it starts to give away?

Assuming I am using the technic chain links to make a chain, how much force can I expect to be able to get out of the chain before it breaks? Suppose I am using a 16t gear to directly drive a 24t ...
3
votes
1answer
77 views

Identification for harness/hose/pipe + wings

I'm still trying to follow the instructions mentioned in my last question, and I came upon this image: . Does anybody know what piece/pieces that/those are on the right? (I know the # for the ...
3
votes
1answer
99 views

Identification for Hinge-like Piece

I'm trying to follow building instructions on Brickshelf, but I'm having some trouble finding the piece on the right in this photo: . Anyone know what it is?
5
votes
3answers
200 views

What are the differences between the two available pizza elements?

In the "Buy pieces" section of the Lego website, I looked up the pizza element. It turns out there are actually two of them! Element 6102555 costs $0.41/piece and 81867 costs $0.37/piece, but they ...
18
votes
14answers
4k views

What pieces are prone to breaking?

I've had a few pieces break over the years, which was a real bummer as I was not expecting them to. What are some commonly used pieces that are prone to breaking? Pieces that should be handled ...
1
vote
1answer
408 views

Dimensions for EV3pieces

I need to know the dimensions of the EV3 pieces for a school project (in mm). Does anyone know?
7
votes
3answers
330 views

Is there a functional difference between bricks w/ and w/o bottom tubes?

For instance: 3040a - Slope 45° 2 x 1 - without Bottom Tube and 3040b - Slope 45° 2 x 1 Are both of these always interchangeable? If not, what are the cases where you would absolutely need no ...
7
votes
3answers
510 views

What is the purpose of this plate with door rail?

I'm looking at the this piece: Is this piece some kind of a track on which you can build stuff that slides? I see it in sets as a decorative piece from time to time. What does "door rail" even ...
9
votes
2answers
2k views

How does LEGO handle the breakage of Hero Factory sockets?

My son has a slowly growing collection of Hero Factory figures, and they have accumulated a consistent problem: socket connector cracking. The tips of the angular part of the limb which connects to a ...
7
votes
2answers
1k views

Is this Lego original?

I found this lego piece in a second-hand Lego stock. I have never seen a brick like this, and I can't even find the LEGO write on it. Is this Lego brick original, maybe vintage or some kind of ...
2
votes
2answers
186 views

Identify age of parts from yard sale

I purchased a box of LEGO bricks from a yard sale. Some of the 1x6 bricks are hollow with 2 small slants in them. Other 4x6 plates are very thin with square holes in the bottom. It also came with ...
3
votes
2answers
198 views

At what voltage do the c1 and c2 lines run at when controlling a lego servo motor?

related: how to control a servo motor from a raspberry pi The raspberry Pi normally outputs 3.3 V signals from it's pins, however there are logic level converters for interfacing with higher-voltage ...
5
votes
1answer
85 views

What parts are include with this light blue bike?

I need to find the part numbers of parts on this bike.
3
votes
1answer
128 views

Vintage heads still in production?

Are vintage Lego heads with the classic grin still in production? I am having trouble deciding whether the head-with-grin piece (element ID 9336, called "MINI HEAD NO.1") which is produced today (and ...
2
votes
1answer
98 views

Use for “Technic Coupling, Tight” and “Technic Coupling 3,5-6 Ncm”

Power Functions set 8293 contains these pieces http://brickset.com/sets/containing-part-6025005 http://brickset.com/sets/containing-part-6036892 and they make the set much more expensive than just ...
12
votes
5answers
18k views

How much does a LEGO brick weigh?

I am trying to do a science project and I need the exact weight of one of the LEGO pieces. I am using it as a counter balance on my scale. What is the weight of a 1x4 LEGO brick?
2
votes
3answers
226 views

Do you use the plastic buckets for purposes other than organizing your bricks?

We have several bucket sets like #5560. Now that our collection is growing, it's becoming harder to find what we need in the buckets even though we have them sorted by color. Plus they are in a ...
3
votes
1answer
194 views

How exactly does the pull-back motor (12787) work?

I've got the 42034 Quad for my birthday and it's been really fun to play with technic after so many years. I am very curious about one thing, though - how does the pull-back motor (12787) work and ...
1
vote
1answer
93 views

Which set includes a large white mask

I bought a sealed bag at Goodwill but It did not include any information on what set it is from. Pieces look like large white body plates, skeletal/Stormtrooper mask and tusks.
21
votes
5answers
4k views

What is the smallest LEGO component?

When I purchase bulk LEGO bricks, one of the first things I do is to tip the whole lot into a mesh bag and give them a good soak in the bath (of course, I remove all the electrical bits etc. first). ...
27
votes
4answers
43k views

What are the dimensions of a LEGO brick?

What are the real world dimensions of bricks? (starting with 1x1 brick) Plates? Studs? Does LEGO think of this in metric or imperial units or something else?
3
votes
2answers
308 views

What is this cylinder like part?

I found a pair of these among some parts I bought. It looks like some sort of cylinder, which could hold an axle for a piston. Is that correct, and how would I use it then?
2
votes
1answer
117 views

Groove dimension of 4216 or 88393?

What is the dimension of the groove of LEGO part #4216 or #88393?
3
votes
2answers
199 views

What is the difference between these two Technic half bushings?

While randomly browsing some LEGO sites, I came across a weird (to me anyway) looking bushing. Its part 4265c. Below is one of the images describing it and the left one I recognize, but the right one ...
6
votes
1answer
222 views

Is there a modern equivalent for windscreen piece 6152?

For a creation I'm building, I am using a white windscreen piece (part ID 6152). Looks like this piece was last produced in the late 1990's. Is there a modern equivalent that preserves this general ...
3
votes
2answers
163 views
4
votes
2answers
896 views

Brick labels to be printed

I am new to the LEGO "business". But I am building up my inventory, getting close to 100.000 pieces now, and before shooting off, I want to have my "system" organized. That also includes print off ...
14
votes
2answers
4k views

What is this Lego piece - Yellow with handles and an octagonal section?

It clearly says Lego on it, but I have no idea what it is. The only number inside is 4-01.
1
vote
2answers
244 views

How to find out which set contains a higher plate percentage?

I want to gather various types/colors of plates to do some mini model MOCs. How can I find out which set has the best plate percentage or price per plate pieces? I know there are a lot of ways to ...
5
votes
1answer
1k views

Dimensions of Mindstorms NXT pieces

I don't have access to my NXT boxes at the moment (they're stuck behind a wardrobe that won't get moved for a week or so) and I'm working on this project where I need to know the dimensions of the ...
4
votes
1answer
121 views

How large is the face of a 2x2 45º brick?

I am attempting to make a decal for a roof tile, sort of like the computer face on certain bricks of the type. However, as there appears to be no template, how large is the face of a 2x2 45º brick?
7
votes
1answer
668 views

What is the true angle of a cheese slope?

What is the true angle of a cheese slope? Bricklink lists it as "Slope 30 1 x 1 x 2/3" while LDraw and Peeron list it as "Slope Brick 31 1 x 1 x 2/3". Why do these sources disagree, and what is the ...