9
votes
3answers
3k views

How can I build a LEGO marble pump?

All right, here's a tough one for ya'll. How can I built a marble pump out of LEGO bricks? What would the mechanism which pushes the marbles up need to look like? Here's an example in this video: ...
9
votes
3answers
172 views

Brick-built alternative to “Door 2 x 5 x 5 Swivel, Bracket Base”

I am trying to make a brick-built alternative to the swivelling door piece that's frequently used to provide secret entrances in castle sets. Example: this combination (images from Bricklink) The ...
9
votes
3answers
874 views

How many spaceman minifigure variations exist?

I was looking at collecting all the different Spaceman minifigures. So I'm wondering how many different types(styles) of Spaceman do exist. Color variations is not necessarily but it would also be ...
9
votes
2answers
594 views

Is it possible to add the power functions to Western Train Chase?

I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better. Has anyone gotten the power functions to work on the Western ...
9
votes
1answer
396 views

How can I make a brick-built wheelbarrow?

I'd like to make a brick-built wheelbarrow to fit on a construction site that can be held by minifigures hands. I've seen prefabricated Duplo/Fabuland wheelbarrows as well as a new wheelbarrow in a ...
9
votes
1answer
215 views

What's the purpose of the clutch gear in Power Functions set?

I have just bought this set and wonder the purpose of the white gear in the middle: How can you use it in your Lego Technic projects? Is it available in other sets?
9
votes
2answers
566 views

What are Good LEGO (or similiar) sets to play-prototype machines working with fluids?

I want to play around with fluid engines. I'm aware that LEGO is sometimes used in labs for prototyping kinematic components, are there successful examples of operating with fluids? Have pistons, ...
9
votes
1answer
817 views

What is the difference between train motors 88002 and 10153?

I want to motorize my Santa Fe Super Chief. Its original instruction mentions 5300 but it's marked obsolete on BS.com and now re-released as 10153. In the same time 88002 costs few times less, e.g. ...
9
votes
1answer
234 views

Which pre-2000 set had a mobile crane with lights?

I had a set similar to this when I was younger (I am fairly sure this was before the year 2000), although: The model was red, rather than yellow. The model was more of a breakdown truck, rather than ...
9
votes
1answer
794 views

How can I build Victorian Style windows?

How can I build Lego Victorian style windows, like those on the White House or Capital Building? This is one style I have done, which, as far as I know, was an original idea by me:
9
votes
2answers
1k views

Can we program Nxt2 in C++ under Visual studio 2010?

I'd like to know if it is possible to develop C++ software for NXT2 using Visual Studio 2010 as IDE. I know there are small online projects for NXT but I can't find nothing about NXT2.... Any ...
9
votes
1answer
527 views

Which BIONICLE set did this mask came from?

I just unearthed a rather wealthy stash of semi-rare Great Kanohi masks. Never knew I collected them! Anyway, among them was this clear transparent Kaukau (Great Mask of Water Breathing): You may ...
9
votes
4answers
3k views

How to make Mindstorms respond differently, depending on which sensor is triggered?

I am new to Mindstorms (but in my day job I am a programmer). I want to make my robot do one thing if the touch sensor on port 1 is pressed, and do something different if the touch sensor on port 2 ...
9
votes
1answer
385 views

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 ...
9
votes
1answer
872 views

How can I automate orders from Lego Pick-a-Brick?

Is there a way to automate the process of ordering from Lego's online Pick-a-Brick? I'd like to be able to go from a .csv with part IDs to a filled cart on their site, or even all the way through to ...
9
votes
1answer
125 views

How to restore old, scratched plates

I have some old lego plates that are quite scratched. They look rather dull compared to the newer pieces in my collection. Is there any way to restore (even partially) the shiny look between the ...
9
votes
2answers
746 views

How can I make custom LEGO packaging?

How can I print high-quality custom packaging for a custom-made model? I am aware of DesignByMe. But as many of you know, the pieces for that are limited, as are the options for making your own box. ...
9
votes
1answer
1k views

How are the LEGO instruction manuals made?

I wish to know how the lego instruction manuals are made. What is the process currently used?
9
votes
1answer
499 views

How to simulate Lego Mindstorms programs written in C#?

I am going to do some programming for Lego Mindstorms in C# using http://www.mindsqualls.net/ and have a question. Is there any good simulator to see result of my program without uploading the code ...
9
votes
2answers
458 views

Why does this program work in LabView when targeted to computer but not to NXT?

I have a program written in Labview for my LEGO Mindstorms NXT 2.0. When the target is set to the computer, the program works just fine. However, when I set the target to the NXT, the program doesn't ...
8
votes
4answers
1k views

does Lego make bricks with a stone, brick or concrete block design?

Does Lego make the bricks with a stone, brick or concrete block finish on the sides? I would like to use these for walls and buildings on a train layout. Thanks!
8
votes
3answers
3k views

Is there a way to glue already built sets?

My son who is now 16 no longer plays with his Lego sets. He would like to preserve some of his larger sets like Jabba the Hutts sail barge. Is there anything we can spray or paint on to hold them ...
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 ...
8
votes
2answers
1k views

Why does Lego restrict the number of colors per shape?

There are many shapes and many colors of Lego elements. Some color/shapes are rare and hard to find. Why does Lego restrict the number of colors available per shape?
8
votes
2answers
1k views

How does the cost of a LEGO railroad compare to a traditional scale railroad layout?

How do the costs compare between a railroad layout constructed with LEGO trains and a nearly identical layout using traditional scale models, such as HO?
8
votes
3answers
738 views

Why are there no faces drawn on the black heads?

There were two black heads in the Star Wars 2011 advent calendar and neither had a face drawn. Is that because there was no face necessary since it was going to be covered with a mask anyway or is ...
8
votes
4answers
4k views

How can I identify kits from a box of parts?

I am a life long Lego Maniac, and my kits from when I was a kid were passed down to my nephew, who has just passed them down to my son (40 years of history...). The trouble is that none of my old ...
8
votes
3answers
9k views

What is the average price per piece?

Some LEGO pieces are probably more expensive than others, but what is the average price per piece of LEGO pieces, when sold as part of a kit? Is there any place containing statistics or graphs about ...
8
votes
2answers
8k views

Which sets currently contain pneumatic LEGO equipment?

When I was younger my dad bought me 5218-1, a technic-based pneumatics set, which, combined with the old motor system to provide a mini compressor system created quite a bit of entertainment and it ...
8
votes
3answers
2k views

How to start with technic?

I have bought myself the technic set 9393 Tractor. I really like the model and I want to dig deeper into the Lego technic universe. I am not focused in building pre-designed models (although I enjoy ...
8
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 ...
8
votes
2answers
724 views

Why does LEGO sell minifigures randomly?

I often want to buy only some minifigures in each series and might want to buy more than one of a given minifigure but LEGO doesn't allow it. You know, it wants to give you a nice surprise in each ...
8
votes
5answers
957 views

Waterproofing Lego bricks

Pretend I have a Lego ship that I want to photograph as it's sailing along in a pool. Of course the Lego bricks have cracks in between them so water will leak through. Anyone have any ideas as to how ...
8
votes
1answer
634 views

Do old LEGO bricks contain lead?

I have a set of LEGO bricks from Denmark and they were made in the late 1960's; should I be concerned about my son playing with them because of any danger of lead in the product?
8
votes
4answers
1k views

Where can I find LEGO X-Pod Playoff rules and printoffs?

Where can I find X-Pod Playoff rules? LEGO doesn't seem to be hosting them anymore. Asked because of this question. Hopefully it can be mirrored on a few sites so that it doesn't disappear again.
8
votes
4answers
8k 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 ...
8
votes
1answer
769 views

Why was the 1x1 round brick changed?

The first 1x1 round bricks had no lip, just like most bricks: Brick, Round 1 x 1 Old - No Bottom Lip A lip was then added: Brick, Round 1 x 1 Solid Stud Why? Later, a hole was added in the ...
8
votes
3answers
788 views

Can Lego soccer (football) parts be used for anything other than soccer?

I had the Lego soccer field, but took it apart. What else can the parts be used for besides soccer? I'm specifically wanting to know about the green bases and minifigure stands.
8
votes
5answers
390 views

Which brands (fictional and non-fictional) have appeared in the Town/City theme?

A few years ago I wrote an article about the fictional organisation logos found in the City theme. I'd quite like to revisit this, as I'm sure I must have missed some. I also only focused on the ...
8
votes
3answers
195 views

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, ...
8
votes
2answers
361 views

What set is this brown (wall?) element from?

While sorting out some old Lego finds, I stumbled across this piece: I have absolutely no idea what this element could be for other than some kind of wall part, and even then I have never seen ...
8
votes
4answers
8k views

Are there any lego base plates that are compatible with duplo?

I'm thinking of making a lego table but my 2 children both use different lego. My oldest uses normal lego and my youngest uses duplo. Just wondering if there is a base plate that both types of lego ...
8
votes
2answers
331 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 ...
8
votes
1answer
828 views

What are the electrical properties of electric LEGO systems?

Several electric LEGO systems exist: LEGO Trains LEGO Technic Power Functions (PF) LEGO Mindstorms (in several versions) ...? How do these systems differ in electrical properties and which systems ...
8
votes
3answers
5k views

LEGO brick competitors?

I'm trying to find all the competitors to LEGO. I know there is MegaBloks. What are some more? The base idea is that they should be bricks and they need to connect to each other like LEGO. However, ...
8
votes
1answer
736 views

Why doesn't LEGO bring back old series as they were “in the day”

As many of you probably can tell, LEGO has been rehashing old series and giving them a new twist (eg. Rock Raiders -> Power Miners, or whatever its called). Why doesn't LEGO actually make some of ...
8
votes
1answer
652 views

What are all the third party (unofficial) accessories I can get for an NXT

Similar to this question but I'd like to know about 3rd Party/aftermarket options instead please. I've heard about motor multiplexers and the like but are there others, i.e. more sensitive colour ...
8
votes
2answers
497 views

What is the history of “Modulex” blocks?

I have seen a few very small models using something called "Modulex" pieces and have even heard that they are directly related to LEGO somehow? They don't seem to be around anymore so I was wondering ...
8
votes
2answers
627 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?
8
votes
2answers
437 views

What solutions are there to organising a LUGBULK order?

I'm involved in a LUG that's made orders in each of the LUGBULK programs that have run. Determining what goes into each order has proven to be a nightmare, with all sorts of email-spreadsheet-ad hoc ...

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