7
votes
1answer
680 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 ...
7
votes
2answers
1k 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
5answers
661 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 ...
7
votes
2answers
1k views

How do I keep LEGO boxes looking their best for as long as possible?

I want to buy a few cool sets for investing purposes or to give to my kids later on if they prove to be poor investments. I'm not going to open the boxes they'll just be stored but it might be nice to ...
7
votes
3answers
1k views

Can I remotly control the points on PF train tracks?

I'm interested in investing in power functions based trains, but want to automate switching points. Is this possible? What is the cheapest / easiest way of achieving this?
7
votes
2answers
645 views

Where can I get 'classic' Lego heads from?

The new heads with expressions are all well and good, but I for one prefer the expressionless 'classic' faces. Are they available anywhere?
7
votes
1answer
2k views

How can I create a simple steering mechanism for a car?

Just curious about this. How can I create a simple steering mechanism for a car? Either motorized or non-motorized solutions are fine; just not overly complex.
7
votes
3answers
549 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 ...
7
votes
3answers
169 views

How should I remove a Hinge Tile, especially in the middle of a plate?

I've recently had some trouble removing a 1x4 hinge tile from the middle of a plate: Even when they are on the edge of the plate there isn't a lot of areas you can use to gain the traction to ...
7
votes
1answer
260 views

Lego Trains 12v: Identify This?

This is a very popular picture, which almost all Lego Trains' fans from 1980s would recognize. I have the train in the forground, 7740, but not the 4th car (red one). Can anyone please clarify that ...
7
votes
1answer
238 views

Is it safe to drink from Pick A Brick cups?

I have a habit of drinking from the Lego Pick A Brick cups. I sent an email to Lego to ask if they were rated safe for drinking from, and they refused to endorse any use of Lego products that wasn't ...
7
votes
1answer
582 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 ...
7
votes
1answer
468 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 ...
7
votes
2answers
497 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 ...
7
votes
2answers
899 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 ...
7
votes
2answers
349 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 ...
7
votes
3answers
4k 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, ...
7
votes
1answer
292 views

Of what fell beast did this olive drab carcass come?

I think I have assembled the remains of some dread creature: I'm pretty sure that I wouldn't have enough elements to reassemble this, but I would at least like to know what it looked like in it's ...
7
votes
2answers
480 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 ...
7
votes
2answers
915 views

Is there an official LEGO terminology for the features of basic pieces?

When I read this question I remember to regularly ask myself what the features of bricks are called. At the top are there nibbles, knobs, or studs? At the bottom are there tubes? New bricks also have ...
7
votes
2answers
1k views

Do regular Lego trains fit onto Duplo tracks?

I have a small kid and a bunch of Duplo train track. (Like what's in this set.) Would "grown up" sets, like the Emerald Night or Maersk trains, work on that track? They look pretty close (the wheels ...
7
votes
2answers
488 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, ...
7
votes
1answer
681 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. ...
7
votes
2answers
1k views

Is there a way to draw LEGO figures using Blender?

I have some basic experience in Blender. Is there any way to insert pre-drawn LEGO pieces into Blender?
7
votes
1answer
213 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 ...
7
votes
1answer
330 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 ...
7
votes
1answer
658 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:
7
votes
2answers
237 views

What is the brown ship in the Star Wars 2012 advent calendar?

The brown boxy ship is shown in the ad, but I have no idea what it is? My son was waiting all day for me to get home and tell him, but I can't figure it out!
7
votes
2answers
2k views

Good LEGO CAD Design Software with Technic elements and animation

I'm taking computer engineering in Gr. 11 right now and our final project is to create a robot with the first version of Mindstorms. My partner and I are making a sumo robot for the class competition. ...
7
votes
1answer
837 views

How does the Super Awesome Micro Project work?

I've recently read an article about a car which is made entirely of LEGO and it runs on air. I'm curious about how it works. Can someone explain the details of it? Here is the car: These are all ...
7
votes
2answers
984 views

What is known of the capacities of the MINDSTORMS EV3 when it comes to interconnection with a network (WiFi, bluetooth)

What is known of the new MINDSTORMS EV3 capabilities when it comes to netwoked functions. What type of interface can be plugged to interact with a PC or portable device (smartphone/tablet)? In term ...
7
votes
1answer
271 views

Mechanical auto-unblocking mechanism

I have a GBC module1 which is quite simple but blocks regularly because a ball happens to be at just the wrong place at the wrong moment. Per se, it's not a problem as a Technic Gear 24 Tooth Clutch ...
7
votes
1answer
621 views

Is it possible to retrive a text file from an NXT?

I am on a SeaPerch building team which is starting to use a Vernier Dissolved Oxygen probe, connected to an NXT to log the data. I have a bit of programming experience, but nothing in particular with ...
7
votes
2answers
517 views

Lego-compatible suction cups?

I'm looking for suction cups that are compatible with the Lego pneumatic system. I've seen people who have built things with them (on youtube videos, etc), but haven't found anything on eBay or ...
7
votes
4answers
2k 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 ...
7
votes
1answer
205 views

What is the maximum distance between fixed train wheels?

I'm working on a train, and I'm curious what the maximum distance is between fixed wheel sets in order to properly navigate all of the different types of track (straight, curved, switch, flex, etc). ...
7
votes
2answers
972 views

Homemade methods for interfacing a Servo with LEGO bricks

I'm looking for non-destructive way to structurally attach a standard servo with LEGO bricks. I'm interested in answers for either Large, Medium or Small size servos. I'm using LEGO ...
7
votes
1answer
635 views

Is it unethical to distribute 3D models of Lego bricks?

So say that I use LeoCAD to export some brick models to Blender. Would it be unethical to modify the models in various ways (tris to quads tool, subsurfacing, textures, rigging, etc.) and then ...
7
votes
1answer
400 views

Can I use two ultrasound sensors at a time?

Is there a way to use two ultrasound sensors on a Mindstorms NXT without them interfering with each other?
7
votes
2answers
1k views

What was wrong with monorails?

From this answer: Then there's the whole problem of parts which are simply not in production any longer, and for which the cost of reproducing them would offset the potential benefits of reissuing ...
7
votes
3answers
479 views

Which Duplo bricks have practical uses in System building?

Traditional 2x4 and 2x2 Duplo bricks can be used to bulk out models and provide a structural support for landscapes, but have there been any other uses for Duplo bricks of all shapes and sizes in ...
7
votes
1answer
225 views

How much depth does the NXT battery pack add?

The NXT rechargeable battery pack does not fit flush with the back of the NXT brick like the battery cover (used with 6xAAs) does. I don't have the battery pack (yet), so I was wondering how much ...
7
votes
1answer
342 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 ...
7
votes
1answer
202 views

LEGO and fuel company commercial relationship?

Over the years LEGO has used a number of real-world fuel company names on its products: ESSO Shell Exxon. I'd be interested to understand the commercial relationship between LEGO and these ...
7
votes
2answers
396 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 ...
7
votes
1answer
1k views

Explaination of LXFML file contents

I am interested in writing a game that interprets LXF files into worlds (to create a game such as Lego Universe). After finding out how to extract the LXFML file from the LXF archive, I need to know ...
7
votes
1answer
874 views

How can I catalog my LEGO pieces?

I have a fairly large LEGO collection, but not large enough that I can build anything and everything, given instructions. It's already organized quite well, but how can I catalog the pieces I have so ...
7
votes
1answer
246 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 ...
7
votes
1answer
879 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?
7
votes
1answer
235 views

NXC Saturation algorithm for limiting motors?

What is a good algorithm in NXC for control saturation? I want to make sure my motors don't turn past a certain angle, or they will break the model. I could do something like: if (angle > 45) ...

15 30 50 per page