0
votes
0answers
27 views

Star wars advent calendar 2013 [duplicate]

I can't enter the code from day 1 - the box flashes but it doesn't respond to the keyboard - any ideas?
2
votes
1answer
169 views

DeathStar maintenance [duplicate]

I have a LEGO Deathstar and have already built stage one of four. However, I haven't been able to get to it lately and it has become rather dusty. How should I clean it? And I travel a lot, so is ...
1
vote
1answer
125 views

Link 1 x 6 with Stoppers Part 2739b

Will Link 1 X 6 connect to Liftarm 2 Axle Holes and Pin / Crank (Part 33299)? The Link will be attached to a coke can, that needs to drive a crankshaft. 2739b from Peeron 33299 from Peeron
1
vote
1answer
228 views

Will it be fun to go to Legoland with my family? [closed]

I am 31 years old . My elder sister and mother are going to visit me. I want to see whether it is suitable to bring them to LegoLand.
1
vote
2answers
2k views

How to use Power Functions with Mindstorms EV3?

Having learned that Mindstorms EV3 doesn't work directly with Power Functions, Q: Can you use Power Functions motors with the EV3 programmable brick? A: No, the connector does not match. I ...
2
votes
1answer
180 views

Pushing lego city train [duplicate]

Are you able to push the lego city train around the tracks without damaging it or do you always have to use the batteries to make it go.
1
vote
2answers
155 views

Authentic or Not?

I browse periodically on eBay and see a lot of superhero lego minfigs. Are these real or Chinese knockoffs? It says that they're from China. I just search "lego minifigures". ...
4
votes
1answer
64 views

In LEGO mindstorms NXT programming: is it possible to download a file from a robot onto the computer?

I've lost the file for a project, but the robot still has it, and I'm wondering if it is possible to transfer the file onto my computer from the robot, and continue to work on it. How would you do ...
1
vote
2answers
59 views

How to install NXT Firmware 1.28?

Lego is giving 1.31 from their website but I need 1.28, how can I install it?
4
votes
3answers
1k views

What are the pros and cons of using a Lego rental service such as Pleygo?

Anyone used Pleygo which is a website advertised as A Netflix-like rental service for Lego® sets? What are the pros and cons?
0
votes
1answer
120 views

Does NXC work with EV3?

Is it possible to create and run NXC programs on the EV3 brick? I installed BrixcCC, created a simple Hello World NXC program and selected "Download and Run" in the Compile menu. The EV3 brick made ...
4
votes
1answer
429 views

Is there a way to program the EV3 brick with NXC?

I tried to program the EV3 brick with NXC so i used BricxCC. The download of the program to the EV3 was successful but when i tried to start the program (which actually didn't show up on the program ...
3
votes
3answers
108 views

What's a good age to start getting into Mindstorms with my child?

What is a good age to start getting a child into LEGO Mindstorms? Also, how would you recommend introducing her? I can't wait to start building robots with my daughter. She loves LEGO and the idea of ...
6
votes
1answer
147 views

What element is this a piece of, and how can I repair it?

Yesterday, as I was putting away some Lego, I saw the following obviously broken piece. I couldn't figure out what element this was a piece of, so I was all ready to ask it here, when I came ...
7
votes
2answers
174 views

What elements do I need to create a smooth multi cheese slope ramp?

I love cheese slopes, but I am having issues when I try to produce a smooth gradient using several in succession. I end up with a gentle saw tooth effect at each junction. What combination of elements ...
0
votes
2answers
54 views

LEGO Mindstorms NXT projects

I have a LEGO Mindstorms NXT set and since I bought it I almost never used it. Sometimes I think I could do something interesting with it, but I usually either feel like just copying a previous made ...
4
votes
3answers
553 views

What other uses are there for pull-back motors?

Sets 42010 and 42011 feature a pull-back motor. They have a very high torque for a very small numbers of turns, they then free-wheel. I'm trying to find alternate usage for them. That is anything but ...
8
votes
3answers
2k 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 ...
5
votes
1answer
131 views

How to restore minifig faces

Vintage minifig heads (from the 80s, 90s with the classic smiley) often lose their eyes and mouths after years of play. The paint wears off. How do you best restore the heads?
2
votes
1answer
116 views

Virtual LEGO / Technics / Mindstorms simulation environments

I know that there are quite a few LEGO CADs floating around, but are there any physically correct simulation environments for models built with LEGO / Technic / Mindstorms parts, that would, for ...
16
votes
2answers
770 views

What are the practical bounds of a minifigure?

I want to make some minifigure-scale vehicles and devices, but I am wondering what the smallest possible minifigure enclosure might be. I know minifigures are not perfectly square. Their arms and ...
1
vote
2answers
161 views

How do can I tell if minifigures are custom-made or LEGO Originals?

I see that on Amazon you can find a lot of minifigures but I can't tell if they are cheap knock-offs or not.
2
votes
2answers
225 views

What is the best way to make a staircase?

I have built a Bat Cave from some bookcases and lego base plates. ( http://alice-yarns.co.uk/blog/2013/11/17/the-batcave-part-i/ ) I want to add staircases for the characters to move between each of ...
4
votes
1answer
148 views

Why are official LEGO PDF instruction books such poor quality?

More often than not, my boys are working from PDF instructions downloaded at the LEGO site. The quality of those PDFs is poor. I'm sure you've experienced the jagged, pixelated lines and the bricks so ...
4
votes
1answer
246 views

How can I order an Ev3 gyro in Europe

I just bought the Ev3 kit, knowing that the gyro sensor is not included. I obviously want a gyro sensor, perhaps also the ultrasonic sensor. Is there any official channel to order them in Europe? All ...
1
vote
1answer
64 views

NXT or EV3 gyro sensor

Do NXTs or EV3s have gyro sensors or built-in gyro sensors? How can I know the direction of the robot?
30
votes
6answers
14k views

Is there any other way to program the Lego Mindstorms NXT other than the provided software?

I'm curious to know if there is any way to program the NXT other than the provided software. I don't necessarily have any issue with the software. Does the program created by the software translate ...
4
votes
3answers
122 views

Holonomic robots using Mindstorms

I just got some Rotacaster wheels and want to try building a 3 wheeled Mindstorms omnibot (holonomic robot) and I'm looking for a practical (easy) discussion about writing a driving program. I've ...
3
votes
1answer
68 views

Can anyone explain the transformation information within a Lego Digital Designer LXF file?

I've been taking a look at the structure of the LDD files recently to see if it's feasible to create a plugin for 3D studio max that allows you to directly open LXF files for higher quality ...
18
votes
7answers
1k views

What are some storage options?

I have several Lego sets and I usually build them and then make them small enough so they fit back in the box for long term storage . . . but my dream is that I can take apart my model and organize ...
3
votes
1answer
148 views

Are there any LEGO elements not being produced because of mechanical problem with the mould?

I am referring element number 702 4x4 corner brick, and possibly other elements that have not been in sets in a considerable amount of time.
6
votes
3answers
4k 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 ...
3
votes
2answers
225 views

Any good alternatives to BrickLink?

I'm trying to find certain bricks online, and of course, came across BrickLink. But it's so darn hard to use it; search is absolutely useless, and I can't figure out how to use the catalog for the ...
1
vote
1answer
53 views

Scan objects while moving?

I'm using leJOS with an NXT robot. I want to scan the distances of objects from my robot. While rotating the Ultrasonic sensor from right to left, I would like to find out which object is closest to ...
30
votes
11answers
24k views

What's the most cost effective and efficient way to buy bricks?

After a 20 year hiatus I picked up LEGO again as a hobby. I've been into the Trains lately and need bricks. I found a couple places to pick them up but they all suck for various reasons. The first was ...
2
votes
1answer
97 views

Finding certain positions in a room?

I have LEGO NXT and a square room of 100x100cm. I would like to use the center of the of the room always as my starting point(the black box). The green box is going to be my park area. Circles can be ...
31
votes
6answers
4k views

Has anyone made LEGO fly?

It may not be the ideal material. But has there ever been a LEGO model airplane with the ability to glide, under power maybe, or some other kind of successful lifting airship? Helicopter, blimp, kite, ...
0
votes
2answers
113 views

Will they ever make LEGO The Amazing Spider-man 2 sets?

I realized that they released an exclusive minifigure of The Amazing Spider-Man 2 in the San Diego Comic Con but I am still wondering if they will ever make LEGO set(s) based on the movie.
8
votes
3answers
446 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 ...
2
votes
1answer
103 views

Mindstorms, black orphaned data wires

I've just copied a loop element, which had a data wire going into it. The internal wires (from the old external data wire) are now black, and I cannot delete them, or re-link them to a new external ...
1
vote
1answer
68 views

Pneumatic set pistons getting sticky

My sons "9641 Pneumatics Add on Set" now suffers from stiction. How can this be fixed? Can it be cleaned? Is there a recommended lubricant?
2
votes
1answer
244 views

On Lego Mindstorms EV3, is there a way to change the input parameters of a My Block?

I am writing a program for which I did a My Block. I later realize that I need to add a new input parameter and I can't find a way of doing this without creating a new My Block. This seems it should ...
4
votes
3answers
175 views

Which Lego Police set or sets do I have?

We were given a big bag of Lego pieces. When sorting through them my son found a bunch of police pieces but we can't figure out which set or sets they belong to. I've tried looking up a few ...
6
votes
3answers
335 views

Is there an organization who repackages old LEGO bricks into sets to give to underprivileged children?

Does Lego have a program by which we can return old LEGO parts so they can be reassembled into packages for underprivileged kids? My kids, and now grandkids, have always played with LEGO bricks and I ...
1
vote
3answers
89 views

EV3 My Blocks with return parameter

I have the retail EV3 kit and have created a function with in and out numeric parameters. While using the [in] params seem quite straight forward, it seems that I can only set the [out] param once. ...
1
vote
2answers
173 views

Where can I download the EV3 education edition software?

I have a site license but I'm not able to find the download for the software anywhere. Any help would be greatly appreciated.
0
votes
1answer
750 views

EV3 brick cannot connect my to computer

I can't connect my brick to my computer. It keeps saying it can't communicate with the brick. My brick has no firmware. My friend said to change the USB cable but it still doesn't work. I can't ...
3
votes
2answers
119 views

Simple optical switch?

I have built a conveyor belt for my son out of Lego Technic. Now, I would like to add a simple optical switch (so that the belt stops when an object arrives at the end of the belt..), and I am not ...
1
vote
0answers
43 views

How is a LEGO Friends Mini-doll built? [duplicate]

Has anyone taken apart a LEGO Friends mini-doll to see how the arms and legs connect? And are the connection points compatible with any other types of brick?
11
votes
5answers
1k views

Repairing Lego minifigure torso cracks/damage

I have a ton of Lego minifigures that I really put through their paces throughout my childhood (fighting pirates, exploring space... basic stuff really). A number of them are damaged on the torso. ...

15 30 50 per page