2
votes
1answer
85 views

Can someone please help me ID these parts?

I'm trying to recreate this small creation, but don't have a parts list: Going from top down, here are my best guesses, but I'm not very good at this: 2654 (Black) Plate, Round 2 x 2 with Rounded ...
10
votes
4answers
5k 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 ...
0
votes
1answer
63 views

Having trouble pushing 6.6L bar into pin connectors

I have a dilemma where I am trying to push a 6.6L bar(4095)through 3 stacked pin connectors(62462) that have 1 long pin(6558) and 2 pins (4459) inserted. The bar only goes in a little bit and then it ...
3
votes
3answers
1k views

El Capitan OS X and Nxt v2

I am running El Capitan OS x, and I have a nxt v2 brick. Is there anyway I use them together? The nxt installer crashes and the ev3 software will not update the firmware on the brick. Do I have any ...
3
votes
2answers
113 views

Please help me identify set

Please help me identify which sets these are from. I got a bag or LEGO and I think it is from multiple sets. Thank you!
0
votes
2answers
111 views

Don't know how to call this but

I want to make a program that does a few things in a random order: I have this so far: The problem here is... I have set the switch block with the random number block to 3 different programs to run. ...
1
vote
3answers
190 views

What is the name/number of this brick

I was wondering what this piece are? (the two gray tile like bricks)and what are their names since I want to order some online.
0
votes
1answer
65 views

Where does the left hobo's head come from at 0:18

I identified the right one (Emperor Palpatine), but I can't find the left one's head. Any help? Video: https://www.youtube.com/watch?v=befr11mPESE
0
votes
0answers
60 views

How to determine orientation of a EV3 gripper?

I have built the EV3 Gripper using the manual. I am programming an ev3 brick using ev3dev. I need to determine the angle/direction/orientation of the robot programmatically, before I can issue a ...
2
votes
1answer
116 views

Please help me identify these Lego and Bionicle sets numbers

Lost many of the lego parts in a flood. I've put parts together using best guess so some pictures may represent more than one. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. ...
10
votes
5answers
134 views

Best way to manage Lego blocks [duplicate]

Maybe my question is not suitable for this forum, but I figure this is the place where people have the most experience, so, here goes. My 4 year old son loves to play with Lego and we encourage him. ...
3
votes
2answers
133 views

Is there a web resource available to browse LEGO Minifig head designs?

I am curious if there is a minifig browser or gallery that allows you to view and identify LEGO heads created over time? Ideally, this resource would also list the date the minifig head was first ...
4
votes
3answers
3k views

EV3 Brick Error Symbols?

I am currently developing an EV3 robot that sorts colored technic beams. However, the brick will only run part of the program and then generate a strange error code on the brick's screen. The error ...
5
votes
3answers
237 views

Advanced set for 5.5 years old

My son had great success building a lot of Lego models, including complex sets, such as the Family house set. And I want to meet him with an advanced model, that includes some gears and more ...
5
votes
1answer
153 views

Where are these minifigures from?

In this image there are two army guys guarding: But where were they bought? I'm curious to know where to get them myself. Reply to Zhaph's Answer: (I don't have enough reputation.) I'm well aware ...
2
votes
1answer
2k views

Lego Mindstorms EV3 crashes on OS X El Capitan

I get the following problem details, can anyone help me? Process: MindstormsEV3 [595] Path: /Applications/LEGO MINDSTORMS EV3 Home Edition.app/Contents/MacOS/...
5
votes
1answer
113 views

Help identify large white wheels

Have lots of mixed pieces that we bought second hand. We have come across very large white plastic solid wheels, resembles sand buggy wheels, but think they must be space related as they are white. ...
4
votes
1answer
101 views

What is the set number for these Star Wars parts?

We lost the majority of my sons lego collections in a flood. The attached pictures are all we have and need them identified for insurance. Would appreciate your help identifying the set number.
3
votes
2answers
70 views

Motorizing Hobby Train 10183

What are the PF motors available that will power the Hobby Train 10183? Moving out from 9v tracks, will the existing 10183 wheels fit any other tracks? Also, is there a difference between the PF ...
4
votes
2answers
5k views

Mindstorms EV3 PC application won't load

Installed Mindstorms EV3 application on MS Windows 7 Home Premium v6.1 (Build 7601: Service Pack 1) and I keep getting the same error message when launching. A white window pops up with the following:...
4
votes
1answer
92 views

Please help identify Star Wars set - I have some very specific wings

Please see attached pic, I reckon these are part of a Star Wars ship. Can anyone help me identify the set? Many thanks in advance, Michael.
8
votes
1answer
278 views

Can I safely dissassemble a 74569 motor (the old, fast 9v one)

I have an ancient 74569 motor: Unfortunately, it's broken: The shaft spins freely by hand, but when I connect power to it, it doesn't spin at all. I would like to see if I can just open it and ...
3
votes
1answer
240 views
6
votes
1answer
193 views

How can I stop the LEGO Cargo train 60052 wheels from skidding on track?

I have the Cargo train 60052, it's only around a year old and lately I've found on starting it (on both straight and curved track pieces) it isn't moving, the wheels seem to skid on the tracks and I ...
1
vote
1answer
87 views

Loop not work, always enter in the same condition

I have a loop but always enter in the same condition, please see the picture.
0
votes
0answers
42 views

lego cleaning dust? [duplicate]

I'm a LEGO seller and buy around 20-50kg of LEGO bricks a week. I need to clean these items before I sell them. Currently I'm using the standard method using a bucket and soapy water. Although this ...
1
vote
1answer
76 views

Sticker Identification

Does Anybody Know Where This Sticker Is Used Or The Number Of The Piece, I Don't Know The Number.
2
votes
1answer
209 views

Does anybody know what this cross-shaped Lego piece is?

I have had this for I while and was wondering what it is.
1
vote
1answer
193 views

How to build ar Z6 (TR-8R) riot control baton for 75114 (First Order Stormtrooper)?

Set 75114 has two guns but I would like my stormtrooper to have the iconic melee weapon. How can I build one?
-3
votes
1answer
93 views
2
votes
1answer
114 views
2
votes
1answer
115 views

Instructions for LEGO bag dated 2007 bought at a Thrift store

I need the instructions for a LEGO parts bag I purchased at a Thrift store
25
votes
6answers
4k views

Does the LEGO Group condone war toys?

What is the LEGO Group's position on war toys? Other brands make tanks and army stuff. I noticed LEGO sets include more realistic guns in the Star Wars range than they used to. What's up with that?
3
votes
1answer
208 views

Lego G-Scale train?

I have a 45mm gauge LGB-based G-scale garden railway and want my grandson to have a push-along loco and some rolling stock for it. Can we make this with Lego? The wheels need to be non-metal and have ...
1
vote
0answers
34 views

HiTechnic Color Sensor analog

HiTechnic sales support said that HiTechnic color sensor hasn't been manifactured yet. Currently it's out of stock in HiTechnic shop. Is there any analog of this sensor except NXT/EV3 color sensors?
2
votes
0answers
58 views

Infrared sensor behavior

I'm developing a small program with the LEGO's Ev3 development tool. I'm trying to make the robot rotate, 30° at time, and check if the infrared sensor detect something than make something and stop. ...
12
votes
3answers
4k views

What's the best way to link two (or more) LEGO Power Functions (PF) train motors together?

Last Christmas I built an extended Emerald Night train to run around the tree. To get it to work I had to add a second Power Functions motor. I tuned both IR receivers to the same frequency and slowly ...
1
vote
0answers
86 views

Is there an alternative replacement motor piece for 4.5 V Trains?

Is it possible to find on a market a simple 4.5V electric motor, that can be installed into LEGO Part 564c01? The service pack No. 5000 is more and more difficult to find.
1
vote
2answers
324 views

RCX Windows 10?

I am a teacher and I use for years Lego RCX in science and technology . Now that I have Windows Surface Pro 2 , I would like if possible to use my RCX robotics kits on windows 10 ? Is that possible ?
0
votes
0answers
32 views

Lego brick management tips [duplicate]

My 4 year old son loves to play with Lego and we encourage him. We built a few sets together and he mostly builds stuff from his own imagination. He likes to build new sets with us and to follow the ...
5
votes
2answers
120 views

How to store a matrix of values and pick out certain elements and compute the difference?

I at the moment am trying to make an EV3 robot which is capable of following a gradient decent method. The idea was to store a discretized function in a 2D matrix, and make several lookups in that 2D ...
4
votes
3answers
1k views

Pick A Brick delivery times

I am about to order some bricks using the online Pick A Brick service. Unfortunately, its delivery time information is confusing. In the right column of the checkout page, it says: Your item will ...
0
votes
1answer
39 views

Order Number Problems [closed]

I think something is wrong with the email I use and for whatever reason i didn't get the email with the order details after I ordered. I quadruple checked that I got the email right before I typed it ...
3
votes
1answer
53 views

Shipping to Turkey

I am trying to order different single bricks with Pick a Brick system. It seems there is no shipping options to Turkey. I already picked around 32 Euro pieces but couldn't be able to change the ...
9
votes
1answer
123 views

Dichotomous key for identifying / discovering LEGO pieces?

Is there a dichotomous key available for looking up LEGO pieces by progressively answering information about their characteristics? It doesn't necessarily need to fit the strict definition of a ...
5
votes
3answers
5k 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 ...
5
votes
2answers
457 views

What is the special Lego Movie 1x1 element shown in the Channel 4 documentary 'Inside Lego at Christmas'?

I recently watched the UK Channel 4 documentary 'Inside Lego At Christmas' and in it, one of the employees of Bright Bricks showed a tall 1x1 element that he described as a brick that Lego came up ...
6
votes
2answers
2k views

How to control a RCX from a Mindstorms NXT

I have both an RCX and an NXT. I would like to control the RCX brick from the NXT (and possibly communicate back to to the NXT from the RCX). I would like to avoid purchasing the Mindsensors RCX to ...
0
votes
2answers
71 views

Lego Cleaning/Sterilisation [duplicate]

I am just looking to see if anyone knows of a lego product that exists that allows you to sterilise your lego using your dishwasher. Thanks
1
vote
1answer
39 views

Can I change the spec of a MyBlock [duplicate]

If I create my own block (MyBlock) with one param and later discover that I should have used 2 params or different icon or something like that, what do I do? Is it possible to change the existing ...

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