2
votes
1answer
679 views

How to build a flywheel crankshaft piston pattern with technic?

I'm not sure of the name of the pattern, feel free to edit title if you have a better name for the pattern commonly used in engines. I was just wondering if anyone has built this specific pattern in ...
5
votes
2answers
646 views

Pattern for vertical motion using technic lego

I have a motor and some other components that move a machine vertical on the ground. Inside the machine i need to raise a part by 5 cm, up and down. Are there some common patterns that can move ...
3
votes
3answers
897 views

Who else produces Duplo-sized blocks?

I gather that Mega Bloks Mini Bloks are the same size as Duplo, and are compatible with it. Do any of the other major brick manufacturers make similar bricks? Knowing the possibilities can help when ...
10
votes
3answers
499 views

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 ...
4
votes
2answers
291 views

Common, practical use for this piece

I've been digging to some old inventories and noticed that all Bohrok from the Bionicle theme contains this piece: I'm pretty sure I have this piece in my collection, probably from a Bohrok. At ...
3
votes
2answers
223 views

Where are the cloth / fabric minifigure capes / cloaks in my set?

I purchased The Mines of Moria (Lego Lord of the Rings item 9473) directly from The Big Store in Legoland, Florida. When I opened it up at home, the capes / cloaks for Pippin and Boromir were ...
8
votes
2answers
317 views

Parts in Lego Set

I am building an inventory of all my Lego pieces and I am looking for a website that can give the pieces in a set with only the set number. It would be easier if there was information for many Lego ...
2
votes
1answer
69 views

Replacement stickers [duplicate]

Can I purchase a sheet of stickers for 4643 Power Boat Transporter? My son got the item as a gift and a friend of his put the stickers on wrong and he is very upset about it.
4
votes
1answer
179 views

Why do basic brick boxes tend not to include many gray bricks?

Here are some examples of current basic brick boxes: 5749 6177 4625 4626 Of those, only 5749 has a significant number of gray bricks, and it still includes much less gray than black, blue, green, ...
7
votes
2answers
395 views

What is this yellow hinge piece named?

Recently, I've been flipping through a scan of the March 1995 edition of the LEGO Mania Magazine. Something in the corner of page 11 caught my eye: This is the 5th step of the "Flip & Build" ...
3
votes
1answer
3k views

Where can I buy older sets, such as the 10187 VW Beetle?

A few years ago LEGO issued a wonderful set of a classic 1960 Volkswagen Beetle, for an selling price of $120. A few years have past and I can't find it anywhere except on eBay where it is sold for ...
2
votes
1answer
104 views

NXT brick erratic programming behavior

I think I have a defective NXT brick. It has been programmed to move in a direction for 1 second, wait 1 second and then move in the reverse direction for 1 second. The code downloads on another ...
6
votes
2answers
2k views

Alternative builds with Star Wars LEGO sets

I currently own these LEGO Star Wars sets: LEGO Star Wars X-Wing Starfighter 9493 LEGO Star Wars Millennium Falcon 7965 LEGO Star Wars Tie Fighter 9492 LEGO Star Wars Emperor Palpatine's Shuttle ...
7
votes
3answers
6k views

What are some examples of advanced train layouts possible with the PF train sets?

I recently got my first train set, the Constitution Chase, and it has sparked my imagination for building train layouts. My 3-year-old son has a small collection of wooden trains and we enjoy building ...
7
votes
3answers
206 views

How can I preserve opened Lego packages?

For some reason I keep my old Lego boxes (since the 1980s), and my son's old Lego packages. Because they are quite large, they take up a lot of space in my house, even if they are put one into ...
7
votes
2answers
329 views

What part(s) can I use to connect technic liftarms at a 90 degree angle?

Is there a way to connect the two beams in this angle and still keep the connection strong and keep the rotation the same?
6
votes
1answer
149 views

Can anyone help me identify the motor/mechanism used in this?

I've been trying to recreate the Useless Machine found here: http://www.youtube.com/watch?v=QdKtgfmfA7s&feature=c4-overview&playnext=1&list=TLp4R5S7LPESk In the description, there's a ...
5
votes
2answers
14k views

How do i organize all my LEGO bricks and parts?

I just have a massive amount of lego laying around in a container. Kind of hard to sort through whenever i need parts. I was wondering if anyone has experience with many different sizes of lego ...
2
votes
1answer
870 views

How can I transmit horizontal torque to vertical?

I have a setup where I have a step motor which I am attaching a gear onto. The motor will make the gear stand horizontal in a small vehicle. Is there any good gear combinations of LEGO gears that can ...
4
votes
3answers
466 views

Why are some seemingly simple sets, so expensive?

My son has fallen in love with the Lego City series. Alas, I let him watch a YouTube from the video game, and as we look to reward good behavior with reasonable sets, we are seeing very odd price ...
4
votes
3answers
166 views

Are all stickers on a sheet used or do you sometimes have spare? Dino HQ set 5887

I built Dino set 5887 recently, but the sticker sheet contains one extra sticker: one of the 'D' things, the pentagram one. One went on one of the walls, the other two round 'D's went on the chopper. ...
4
votes
1answer
235 views

How many standard 2x4 LEGO elements are produced in a single 2x4 mold injection?

Just how many standard 2x4 LEGO elements are produced from a single mold injection? I realize the molds are used over and over again, but how many bricks does a 2x4 element mold produce at a time?
7
votes
2answers
729 views

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 ...
5
votes
1answer
274 views

What is the purpose of the hole in the 12 x 12 boat bow (6051)?

I recently received Renegade Runner (6268), and I noticed that it has a somewhat awkward hole in the bow: The main bow piece has a hole for some reason, but I'm not sure what it is for. Here's the ...
10
votes
2answers
1k 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 ...
4
votes
1answer
241 views

Motor, receiver and battery combos

What combination of motor/Receiver/battery boxes are possible/supported? example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
2
votes
0answers
210 views

Ideas for large NXT projects [closed]

I currently have 6 NXT sets. Can anyone think of some large scale projects that I could attempt using most of the NXT bricks and pieces together?
1
vote
1answer
2k views

How can I get replacement stickers for a new lego set? [duplicate]

I recently bought a Lego Fire Boat (set number 60005) but for some reason, when I opened the box and shook out the contents (as I normally do) no sticker sheet fell out. I was wondering if you could ...
5
votes
1answer
339 views

How should I connect two LEGO cylinders with pistons to measure the movement caused by sea waves?

As part of a school project I need to make a model of a snake electricity generator. I would like to build this with LEGO elements, and for that, I need to measure the movements of the cylinders ...
5
votes
1answer
309 views

NXT motors not moving?

I've been looking around the net for a solution to this problem, to no avail. After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then ...
2
votes
1answer
365 views

Which LEGO boxes are compatible?

TLG has produced a number of sets which come in reusable plastic boxes. I'm curious to know which of these are able to be easily stored together. Primarily, I'm wondering which boxes can be stacked, ...
5
votes
1answer
496 views

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 ...
5
votes
2answers
274 views

Technic 8071 assembly problem

I am busy attempting to assemble Technic 8071, and have encountered a problem. On page 83 of the first manual, a yellow gear (4203493) together with a grey splined rod (4211815) is added to the ...
8
votes
2answers
554 views

Which resolution is necessary to print bricks with a 3D printer?

I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
6
votes
2answers
257 views

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?
6
votes
2answers
553 views

How can I find the value of a LEGO set over several years?

Bricklink has this handy feature on its site which allows you to view the average selling prices of a particular set based on previous auctions. I like this feature, but unfortunately, it only ...
13
votes
3answers
923 views

Why are Lego sets put in such big boxes?

I am wondering why Lego puts sets in big packages. All bricks are put in small plastic bags and from my experience the packaging could be at least half of what it is. There is so much told these days ...
10
votes
3answers
352 views

Any reasons for the introduction of the new-style raised arch?

The new-style raised arch (to the left, 92950) got introduced in 2009, and has been gradually replacing the old-style arch (to the right, 3455) across the board. However, after four years, not only ...
4
votes
1answer
279 views

Is the Antikhythera clock design available as Open Source?

After reading and watch the video about the Antikhythera Clock, I am curious if the design reference (or better yet the instruction manual) is available as OpenSource. Why? Because it would be cool ...
7
votes
1answer
352 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 ...
1
vote
1answer
2k views

What are the size of Lego Technic Parts?

I'm creating a LEGO Mindstorms catalogue for a school project. I measured the LEGO parts and I made an average size. My goal is to create new parts with a Rapid prototyping machine and I wanted to ...
5
votes
5answers
752 views

Factories that could make off-patent bricks?

I'm quite interested in finding a factory that can produce a small-ish run of high-quality plastic bricks that I can use in my classes and possible to re-sell as stand-alone kits. I only need a few ...
11
votes
3answers
430 views

Why can't I reproduce this SD card box in LDD?

I've built an SD card box a few years ago. Now I am trying to reproduce it in Lego Digital Designer. However when I tried to reproduce the closed version, LDD refuses to snap it in place. In ...
4
votes
1answer
171 views

Set to run a program within another program using NXT-G

I'm using NXT-G to program my robot to do few tasks autonomously for so many possibilities. When using C programming, we can call a function from different file into the main program. So, I wonder if ...
6
votes
1answer
247 views

Old Lego movies

As I remember, it was about 1990 maybe some years earlier, there were movies, made by Lego, they were about 3 minutes long, maybe longer. It was of course not computer-generated videos but normal, ...
10
votes
4answers
647 views

Why are there “unique” characters in many sets?

When I was young, about 30 years ago, I'd had no problem to have two policemen, two yellow astronauts or knights. Then I had some lack of Lego sets and didn't know what was happening on this field. ...
8
votes
3answers
2k views

How to make a conveyor belt with LEGO parts?

I am making a small robot with an Arduino and Technic LEGO powered by stepper motors. I am planning on moving small rocks throughout my machine. Does anyone have an idea of what kind of Technic LEGO ...
3
votes
1answer
250 views

NXT Bluetooth “Failed!” when turning on

When I attempt to turn on my bluetooth, the response on the display after about 5 seconds is "Failed!" Then I'm sent back to the main menu. I've reset the unit and updated to latest firmware (1.31) ...
8
votes
1answer
258 views

Can I take an old LEGO winch apart?

I have an old LEGO winch that looks like #73037 It has been "restrung" but it is very stiff and it looks like it has some of the old string stuck between the rotating and non-rotating parts. It ...
8
votes
2answers
552 views

Colouring bricks with the sun

This question is related to How do I change the color of a brick? and the exact opposite of How to minimise or remove sun-stains/fading from blocks? Is it feasible to artificially age bricks in ...

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