6
votes
2answers
875 views

How can I find the value of a LEGO set over several years?

Bricklink has this handy feature on its site which allows you to view the average selling prices of a particular set based on previous auctions. I like this feature, but unfortunately, it only ...
6
votes
1answer
638 views

Are there LEGO sets designed for adults?

Other than the LEGO Architecture sets are there any other sets or series that were designed principally for an adult audience?
5
votes
1answer
312 views

How to get good color readings from the color sensor?

What type of setup is needed to get good color readings from the Mindstorms EV3 color sensor: Shape of object? Size of object? Distance to object? Color of background?
5
votes
2answers
369 views

Any way to create a gear+chain, like for a bike?

I would like to create a LEGO bike. I can imagine how most of it would work, but i'm stuck at the chain. I need a way for the turning pedals (at one spot) to cause the wheel (in the back) to spin ...
5
votes
3answers
3k views

What's the best way to glue/adhese the street baseplates to a plywood table?

I'm building a Lego city, and I want to permanently glue the road onto the table. But I don't want it to be "lumpy", or melt, and I want to make sure that the baseplates will not come off the table, ...
5
votes
1answer
1k 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 ...
5
votes
2answers
2k views

Can I use the old 12V rails with the remote trains?

I have a bunch of old 12v track. I am looking to get my son into LEGO, but I am thinking of getting the remote set so we can expand it some more. My question is, can I connect the new track to the ...
5
votes
2answers
12k views

How can you estimate the value of a LEGO collection?

I might get a chance to buy a big LEGO collection of an old colleague of mine, but before I even come out with this suggestion I'd like to know, more or less, how much it should be worth? The last ...
5
votes
1answer
636 views

Strongest gear configuration

I'm building a (what I hope to be) high-speed car using two PF-XL motors together and some gearing up. However, there's a point where I have to rotate the axle with power (that comes from the 3 speed ...
5
votes
5answers
1k views

Set missing all the Minifigures and a few other parts

When I got the Quinjet set, I dug through every bag but the manufacturers forgot a few pieces and my set didn't have any minifigures. How can I get the missing minifigures and the parts I'm missing?
5
votes
1answer
1k views

Can 10153 9V train motor be powered by the Power Functions Battery pack?

I am currently making the switch to Power Functions with my Lego Train collection and am wondering if I can power the old 9v motors that I used with the metal rails, with a battery box from the power ...
5
votes
1answer
196 views

What kind of yellow is used for a typical minifigure?

I've done some research and found a basic LEGO basic colour pallet. I recognise the yellow used for yellow bricks (24, Bright Yellow, #fec400) but it doesn't seem to match the colour for minifigures ...
5
votes
1answer
730 views

New ways of connecting levels of multi-story modular buildings

Compare these two instructions from the Green Grocers and Pet Shop modular building and you may notice (other than the background colour) that the top of the walls of the buildings are both arranged ...
4
votes
1answer
571 views

How can I make a precise one-way clutch using Technic elements?

I need a mechanism so that if a (NXT) motor rotates forward, it moves one gear, but the other stays still, but if it rotates backward, the first gear does not move, but the second one does. I found ...
4
votes
1answer
393 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 ...
4
votes
2answers
789 views

Where can I get RCX 1.0 software?

We've got a LEGO RCX 1.0 without any Software. I've installed the USB IR Tower, what should I do now? I've downloaded the EV3 Software from the LEGO homepage and thought I could use this, but I don't ...
4
votes
1answer
870 views

Where to find older sets (eg. Classic Space)?

Can people share their experiences on how they locate older sets? Have you had luck with flea markets, garage sales, thrift stores, etc.? Or is everything done through eBay and BrickLink? Any comments ...
4
votes
0answers
62 views

Can you keep blocks clutched together in big chunks? Will blocks loose their “clutch power” after years of that kind of keeping? [duplicate]

I keep my blocks of same type in big assembled chunks, for easy building and finding bricks, but I am worried, is it safe for them or will they tend to lose strength in some time (years maybe)?
4
votes
1answer
178 views

Is LEGO testing the market with the Minifigure Series?

I looks to me that LEGO is testing the market by using the Minifigure Series. It seems logical to try all kind of different themes and see which ones are gaining traction. For example: Minifigure ...
4
votes
1answer
267 views

Help Installing NXT-G On Mac 10.6.x

I'm failing to install NXT-G on Mac 10.6.x. Whatever I try seems to end up with an error saying "A required file is broken" when I try to run the IDE. Could someone talk me through the steps please? ...
3
votes
1answer
39 views

What prevents a 12V motor, when pushed by hand, from providing DC electric out?

This question is somewhat related to a similar question I asked about whether pushing a 12V train motor (such as the one below) would damage it. See title "Set 7865: six wheeled Lego® train motor ...
3
votes
1answer
108 views

What is this 2x4 brick with a clear bottom, a small hole at each end and a 6 brick high pole?

It is a 2x4 with a clear bottom a small hole at each end and it is smooth on top with a 6 high pole coming out. The brick has no numbers on it so I'm not sure what it is I have tried searching ...
3
votes
2answers
133 views

What is the difference between these two Technic half bushings?

While randomly browsing some LEGO sites, I came across a weird (to me anyway) looking bushing. Its part 4265c. Below is one of the images describing it and the left one I recognize, but the right one ...
3
votes
2answers
187 views

Strongest LEGO structuce - (1) Pillars

What is the strongest LEGO structure? I am going to build a LEGO computer case. Different from Mike Schropp and greenyouse, I am planing to build an upright case. (This is a general "strongest LEGO ...
3
votes
2answers
1k views

Is it possible to edit a my block input parameter value?

I have created my blocks but want to change the input parameter to a negative. Is this possible or must all the myblocks be re-written?
3
votes
1answer
236 views

I bought a second hand pack of pieces and it looks like it may be a specific set

Hoping for help to identify a set of lego pieces. It definitely has a car wheel base, and the base boards are green.close
3
votes
2answers
458 views

Return a robot to its start position?

I have a LEGO NXT robot, and after some movements I would like it to return back where it started. After some research, it looks like my best option is to revert the motors. To decode their movements ...
3
votes
2answers
288 views

How can I contact LEGO set designers?

I would like to contact some of the set designers of the LEGO group to take part in a professional design forum, but I can't find any contact information. Is there a way I can contact them, or find ...
3
votes
3answers
2k 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?
3
votes
2answers
323 views

What are the armless minifigures from the LEGO boardgames called?

I see many of the LEGO boardgames come with mini figures which are armless and have no holes for arms. While I think it is kind of ridiculous to not simply provide a full figure, I understand it's ...
3
votes
1answer
468 views

What is the history of the Marvel license between LEGO and Mega Bloks?

I just recently learned that LEGO had the license to do Marvel themed blocks back in 2003. When the Iron Man films came out, Mega Bloks produced several Marvel-themed sets. Now LEGO apparently has ...
3
votes
2answers
283 views

Where are the cloth / fabric minifigure capes / cloaks in my set?

I purchased The Mines of Moria (Lego Lord of the Rings item 9473) directly from The Big Store in Legoland, Florida. When I opened it up at home, the capes / cloaks for Pippin and Boromir were ...
3
votes
1answer
5k views

Where can I buy older sets, such as the 10187 VW Beetle?

A few years ago LEGO issued a wonderful set of a classic 1960 Volkswagen Beetle, for an selling price of $120. A few years have past and I can't find it anywhere except on eBay where it is sold for ...
3
votes
1answer
490 views

I need help with a broken LEGO motor

I have a LEGO motor and it broke but I didn't know why so I took apart the LEGO motor to see if the wires were the problem. I tested the wires to see if they were working but they weren't and I can't ...
3
votes
1answer
281 views

Apart from the LEGO brick, is there any other hardware that has an NXT firmware written for it?

I am trying to find out if you can upload LEGO NXT byte-code to any other hardware, so I am just checking to see if anyone has ever written the LEGO firmware for any other hardware. Maybe hardware ...
2
votes
1answer
360 views

Strongest LEGO structure - (2) Floor

What is the strongest LEGO box structure? I am going to build a LEGO computer case. Different from Mike Schropp and greenyouse, I am planing to build an upright case. (This is a general "strongest ...
2
votes
1answer
84 views

Will playing with a 12V train motor by hand damage it?

This question is similar to one for PF motors. The 12V motor bogie has considerably more resistance than does the newer PF bogie motor, which may be moved very easily when not operating. So, if one ...
2
votes
2answers
100 views

NXT Motors curving to the right

The NXT motors have been curving to the right by about 10-20 degrees. We have checked the program, no curves. We have checked the wiring, but it is also plugged in fine.
2
votes
2answers
104 views

What logos appear on Duplo brick studs?

Do all regular Duplo bricks have the word "Duplo" written on their studs? If not, what variations are there?
2
votes
2answers
178 views

How to turn the NXT at an angle with NXC

How can I program, with NXC, a Lego NXT to turn a specific angle? I've tried using wait() but the problem isn't solved. Can I use RotateMotor()? What parameters should I use? For example if I want ...
2
votes
2answers
443 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
1answer
204 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
2answers
247 views

Logging and performing mathmatical calc. during run?

Is it possible using the new EV3 to log data, and peform mathmatical calculation on the data while it's being logged, and peform some and thereby trigger some event if some value has been reached?? ...
2
votes
2answers
181 views

identification of lego set by color and shape of inner box

I'm trying to identify a lego set only knowing the color, shape of in inner package. The inner box is blue, dimensions are 18 x 11 x 2 3/8" and 9T plastic compartments, There is a 1984 Lego Catalog ...
2
votes
1answer
210 views

Why do some sets have two different numbers? [duplicate]

Possible Duplicate: Why did Lego use the same number for two different sets? For example, 324 Ricky Racoon on his Scooter and 3605 Ricky Racoon and his Scooter appear to be identical in ...
1
vote
1answer
291 views

Programming The Lego Mindstorms T-Rex from EV3 Laboratory

I bought the book The Lego Mindstorms EV3 Laboratory fron Daniele Benedettelli. I buid the T-Rex chapter 15 and when I tried to programming the T-Rex (chapter 16) I have a problem. I'm not able to ...
1
vote
2answers
92 views

Where can I find LDraw files to download for basic figures?

I would like to have a collection of simple examples for my youngsters. Only for basic LEGO bricks. Not Technics or complex and complete space stations, just some step-by-step instructions for the ...
1
vote
1answer
101 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 ...
1
vote
2answers
270 views

I need information on LEGO part #3001 in Milky White with Sparkles

Have a 3001 part i have come across with a color i've never seen before. It seems to be a milky white but with glitter in it. New style logo with pip on short side. Any ideas to where it came from?
1
vote
3answers
879 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 ...

15 30 50 per page