5
votes
5answers
5k 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?
2
votes
1answer
323 views

NXT program not running

We have multiple NXT Bricks. We can read sensor data and motor degrees from View. Some are running FW 1.31, others FW 1.28. When we try a simple 5-step NXT program, the motors will not turn. We tries ...
2
votes
3answers
539 views

Where can I get LEGO bricks to build a life size wall?

I would like to create the structure, meaning walls of my stand in an exhibition, made by LEGO bricks, so I wonder if I can order great quantities of bricks just to create this and if I can talk to an ...
3
votes
1answer
150 views

Execute program programmatically

I want to program our Ev3 for FLL (class assignment), and I want to use an object oriented approach in a very procedural environment. Is there a programmatic way to execute another program inside the ...
10
votes
4answers
42k views

Is it possible to buy a bulk of 1000s of basic bricks (mostly 2x4)?

Several years ago I remember being able to walk into toy shops and actually shovel lego bricks into a bag and thus buy them in bulk. Unfortunately I can't seem to find stores anymore that offer this ...
0
votes
1answer
232 views

Minifigure Torso Cracks

So I recently picked up the new Star Wars AT-AP and I was quite please with what I got, but after not even a week The awesome Commander Gree Figure had a torso crack that went from the bottom of the ...
6
votes
2answers
233 views

City scale connection for five-bladed helicopter rotors

I want to build a Super-Puma helicopter in city minifigure scale and form, I have the basic design planned, but I am not familiar with any five-sided technic connectors, which I will need for the ...
6
votes
2answers
982 views

LEGO Technic part Numbers

My daughter got the LEGO Technic - Service Truck set. When we looked at the instructions, we saw a different notation on parts. eg: the beams (cross beam) it has number 5 in white circle. what does ...
2
votes
1answer
495 views

The program downloaded from the education ev3 programming software has a error “VM program validation”

I cannot run the program from the ev3 software.It only shows "VM program validiation" How do I stop this from happening?
2
votes
1answer
219 views

How to connect chain links to the axle

In my project I want append two 21 chain links to the axle 12. Is this any axle connector with knob ending?
3
votes
1answer
155 views

lego or duplo ringing doorbell

Does anyone know if this piece can be found anywhere or what it is called? My kids had a ringing doorbell appox 28 to 30 years ago, where you push down a red button that sits on top of a curved ...
2
votes
1answer
152 views

What pieces are used to create this Djembe MOC?

I sent an E-mail to the creator but haven't heard back. Any thoughts on the part numbers on the Lego djembe? Trying to build one for Christmas gift :-)
10
votes
2answers
1k 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?
11
votes
3answers
5k views

Is it possible to build Lego bricks with a makerbot replicator 3D print?

Is it possible for plates, tiles or small pieces ? Is it possible to use MLCAD with a Makerbot replicator?
5
votes
1answer
317 views

Identifying Lego kits from unopened bags for library

I'm a librarian and we recently received one of the Junior Maker Lego kits that LEGO distributed to 15 libraries in each state. It's a wonderful kit and includes a lot of basic blocks along with many ...
1
vote
1answer
174 views

Parts/Step not fitting ( technic / gear not aligning)

working on Lego Technic; Recovery truck. Reached Step 27(book 1)....fixing the rope spool. and found that the white gear wheel is not fitting in. i.e., i have the white gear fixed on the shaft with ...
1
vote
1answer
524 views

Why I get this “message unable to compile some documents for deployment ev3”?

I have a LEGO Mindstorms EV3 program that I was working on for a long time but recently and suddenly when I try to download the program the software displays the following message: "unable to ...
1
vote
1answer
194 views

Mega blok vs lego bases [duplicate]

Are mega bloks compatible with the lego bases? Do they sell a larger lego bases for them? I am making a table but want to use the correct base.
4
votes
1answer
201 views

What was the slot for in the 1950's slotted bricks?

Bricklink has a list of ancient bricks from the 50s that have slots in them. What was the purpose of the slot? Its positioning on various pieces suggests that there was something specific you were ...
2
votes
1answer
131 views

Looking for information on a Lego manual I had as a kid

I had a lot of Lego when I was younger (late 80s/90s), and in a flash of nostalgia I recently remembered having a great instructions/ideas book which I loved to ready through - I can't remember the ...
2
votes
2answers
298 views

Is there a 2x12 size Lego Brick?

I am designing a rather large Lego structure and I could swear that I have used 2x12 bricks (not plates) in purchased sets. I know there is a 2x12 plate in existence but don't see any bricks online ...
2
votes
1answer
221 views

Why is there no set with much RC Straight tracks?

after visiting many Lego events (brickmania, antwerpen, BE), I wish to expend my train layout much more than adding a box or two of 7499 ... Why does Lego didn't released a set with, for example 24 ...
4
votes
1answer
147 views

Part identification

Can you help me identify which part numbers these parts are? I can't find them on Lego's site or on brickset.com: Edit: I've found the two dark grey bricks in the left photo, so that just leaves ...
2
votes
3answers
1k views

Are NXT Light sensors compatible with EV3?

I would like to use the NXT light sensors my EV3 brick. I don't have enough light sensors as I need 2 for each robot (per set) and it only comes with one. However, I have a lot of NXT sensors. Will ...
6
votes
2answers
1k views

Is the PWM on the PF Servo motor different than the PWM from an Arduino?

I have a Arduino motor shield connected to XL, L and M motors and can control the speed with PWM (Pulse Width Modulation). I made my own connector by cutting a Lego PF connector in half and wiring up ...
17
votes
3answers
5k views

What is LUGBULK?

I have heard that LEGO have (or had) a programme called LUGBULK whereby clubs can purchase bulk lots of LEGO components direct fom LEGO. Is that true? If so, is it economical and how can I get ...
22
votes
5answers
8k views

What is the largest single LEGO piece?

What is the largest single LEGO piece ever produced? This does not include LEGO affiliates like Duplo. Clarifications It must be a purchasable block. By largest, I mean largest by Volume/Weight of ...
5
votes
2answers
596 views

Help identifying Lego Set from bags!

I visited Toyrus in Paris recently and bought several lego sets for my son. Mostly, Star Wars sets. In each case, we brought the manuals and the cardboard boxes so that he could assemble them. ...
2
votes
1answer
185 views

Can additional MyBlock icons be added to the EV3 palette of icons available in the MyBlock builder?

I'm a big believer in using MyBlocks when using EV3. For FLL teams, every robot needs to move forward, backward, turn right, turn left, arm up, arm down. Even before a robot is built, those MyBlocks ...
3
votes
1answer
557 views

How to program light sensor to follow moving light using NXT

Cannot figure out how to simply program Lego Mindstorm NXT robot to follow another moving robot that has a bright LED light attached to it. Currently my programme looks like this:
4
votes
1answer
313 views

How can I wire up the LEGO 2838?

I would like to know how to hook up the LEGO 2838 9v motor. I understand that the Power Functions extension wire is compatible with the 9v system, but how on earth do I wire them up?
0
votes
0answers
25 views

Programming sensor to follow light [duplicate]

Cannot get sensor to follow light on other moving robot.
2
votes
1answer
448 views

Trying to get a modified traffic signal challenge worked out

The challenge is for a robot to go around the perimeter of a rectangular field and execute 90 degree turns when it gets within 4.5 inches of a wall. Simultaneously, if the bot encounters a red flag, ...
1
vote
1answer
256 views

Trouble with Commander app: Using buttons to control motors

I'm having trouble with the Commander app for Android. I've put an EV3 into set 8448. I'm using one of the large motors for propulsion and a medium motor for rack and pinion steering. I don't have the ...
5
votes
1answer
187 views

Are coloured bricks used by Set Designers recycled to make black bricks?

I heard on a podcast of the Adam Savage Project that the master builders (designers of 'sets' of LEGO) are allowed to use as many blocks as they need to design a certain set. All of the bricks they ...
-1
votes
3answers
227 views

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

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.
3
votes
2answers
1k views

Looking for a Basic Lego set with mostly large bricks

I am looking to buy my son his first set of LEGO bricks (because my mom will not give me my old ones!!!). Most of the 650ish piece sets I have looked at contain a large amount of 1x2, 2x2, etc. I am ...
4
votes
1answer
198 views

Help identifying a black round piece with three rings

I'm on a personal project to document the brick list for building every one of Chris Deck's Star Wars miniatures (http://sw.deckdesigns.de/minis.htm), and I'm unable to find in the Lego catalogue or ...
4
votes
2answers
376 views

Can anyone identify these Bionicle sets?

Can anyone identify these Lego pieces? They were given to us in a bin of toys, and we cannot identify them. We know they're Lego, and have a 2002 date on them.
2
votes
2answers
73 views

Index of the City sets by category

I'm running trough bricklink, peeron and brickowl, but I can't find a "good" (I mean 'fitting my idea') index to browse across city sets. Is there a kind of list like vehicle cars trucks planes ...
5
votes
1answer
244 views

How can I tell which LEGO minifigure I found?

I found a mini-figure on the the ground by a recycling bin. I want to figure out what set/collection he belongs to but can't find anything other than how to tell what you're getting in a blind bag. ...
1
vote
1answer
3k 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 ...
1
vote
4answers
388 views

What adhesive can bond LEGO bricks to metal?

The Scouts are making some Christmas decorations using LEGO, and we need to stick them on to some metal stands. Could anyone please advise the best glues and process (e.g. sanding, etc.) to join ...
3
votes
1answer
366 views

Large Lego Minifig Styles

I'm pretty sure the lego figure on the right is the daughter from a 1977 set Nurse and Child. But what about this style of jumbo minifig on the left with arms and legs that bend? When was that from? ...
4
votes
2answers
404 views

Identify these (Technic Steering) parts?

These three parts do not have part numbers on them, but it is clear they are LEGO parts (they have LEGO printed on them). I am trying to track down the set that these belong to, or at least a part ...
5
votes
1answer
122 views

Name of trunk-like objects

What's the name of the black curved elements in the header/banner of https://www.flickr.com/groups/lego_arboretum/? The full picture along with some others of the same diorama can be seen here: https:...
8
votes
1answer
351 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 ...
3
votes
1answer
376 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?
1
vote
1answer
157 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 ...
2
votes
2answers
236 views

Identify minifigure torso - yellow with blue “N” on front

I've got a yellow torso (with yellow arms). The front (I believe) has a large blue letter 'N' with a orange drop shadow. Otherwise the torso is plain. I've tried loads of search terms on bricklink to ...

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