6
votes
1answer
136 views

What exactly is this Lego train motor?

I bought this in the early 90s as a spare, since the type of Lego train was being phased out. Presumably the old 12V system. The original train was given away but I still have this. I want to sell ...
4
votes
1answer
64 views

Duplo Activity table to Lego System Table

We purchased a table with Duplo baseplates on top (activity table) for my son when he was 1 year old. He's now turning six and we would like to convert the Duplo top to the regular LEGO System top. is ...
4
votes
1answer
286 views

Please tell me what tunnel-hull boat set this is?

I cannot figure out what this set would be...I like it and want to find instructions...but tried different wording and looking at images without luck.
1
vote
1answer
1k views

Getting the IR Tower working with RCX and RobotC [duplicate]

Possible Duplicate: Lego Mindstorms RCX RIS 2.0 IR tower Windows 7 / Windows XP driver Trying to get RobotC to work with my old RCX 2.0. I'm running windows 7 64 bit. I've connected the IR ...
4
votes
2answers
242 views

Battery for Trains

For those who have tried, which one is a better option: Rechargeable Battery Box and Transformer/Charger 10VDC ($50 + $25) or AAA Battery Box and a lot of AAA batteries ($13 + ?) Obviously $75 is ...
2
votes
1answer
158 views

Will Lego Caboose (10014) work with Lego Cargo Train (7939)?

Will at the older Lego Caboose (10014) work with the Lego Cargo Train (7939)? I wonder if it will fit the newer track and if the magnet couplers will still work?
6
votes
4answers
4k 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 ...
20
votes
4answers
3k views

Has anyone automated the LEGO hand sorting process beyond “pawing & piling”?

I need to rephrase my question. Has anyone built or used a large pigeon hole/ chute/ bin collection system to sort LEGO elements? The sorting system doesn't need to be made of LEGO bricks. I just want ...
10
votes
3answers
295 views

How to unplug black friction pin connectors

Black friction pin without slots connectors are common in older Technic sets. Note that these were quickly replaced by the current version with slots that is much easier to remove. vs Especially ...
1
vote
2answers
174 views

Types of instruction manuals

I noticed there are 4 different types of instruction manuals (at least for large sets): Type I: Similar piece colors are not very distinguishable (especially Dark Gray and Black). Some building ...
2
votes
1answer
185 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
95 views

What can I do with this steering wheel?

I found this steering wheel + "dashboard" combination among some parts I bought. What is it, in what kind of models is it used, and can I do anything else with the "dashboard" (for lack of a better ...
3
votes
1answer
170 views

What is this weird and specific technical part?

I found this part among some parts I bought. It looks like it serves a specific purpose. What is it?
3
votes
3answers
897 views

EV3 Education Edition software license

I got a new EV3 education kit. Can I install it on a several computers or does the license work on one computer only?
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
175 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
127 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
232 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.
2
votes
1answer
187 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.
4
votes
1answer
78 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 ...
4
votes
1answer
445 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 ...
4
votes
3answers
117 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
166 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
200 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
67 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 ...
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
161 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
147 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
796 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 ...
2
votes
2answers
192 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
253 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
179 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
256 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 ...
30
votes
6answers
15k 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
133 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 ...
4
votes
1answer
97 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 ...
20
votes
7answers
2k 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
152 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.
7
votes
3answers
5k 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 ...
2
votes
1answer
64 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 ...
3
votes
1answer
103 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 ...
32
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
135 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.
10
votes
3answers
485 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 ...
3
votes
1answer
115 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 ...
2
votes
1answer
79 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?
5
votes
3answers
185 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 ...
1
vote
2answers
226 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
871 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
123 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 ...

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