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Questions tagged [set-modification]

Set Modification questions are about modifying sets produced by LEGO.

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4 votes
2 answers
154 views

How to create a "return to steering system" without using LEGO Power Functions for Technic Cars?

I just bought a 42154 Ford GT, and I wanted to make it remote-controlled, but I only have 2 M-motors and an IR receiver. How do I create a return-to-center steering mod for my car?
24 votes
1 answer
9k views

How can I motorize the Hogwarts Express (76423)

I'd like to motorize this train set: What is the best way to accomplish this?
4 votes
1 answer
232 views

Change Mario Yoshi pose

I'm returning to Lego as an adult and struggling with what I thought would be a small project. Please tell me if this is off topic but as it has a hard answer of no or this is how I though it would be ...
1 vote
1 answer
453 views

How could I motorize the LEGO Land Rover Classic Defender (10317)?

The latest LEGO Land Rover is primarily a system set: Can this set be motorized using Technic or other components?
2 votes
2 answers
178 views

How to convert Passenger Train 7745 from 12V to Powered-Up?

I would like to convert the High-Speed City Express Passenger Train Set 7745 from the 12V track system to the Powered-Up system. It seems to be trivial to exchange the old wheels with the new wheels, ...
15 votes
1 answer
1k views

How could I add fire-like lighting to Rivendell?

I'd love to add lights to the Rivendell set to improve the look of the displayed model in low light. Ideally, the lights would provide a flame-like effect where appropriate. What is the best way to ...
2 votes
1 answer
131 views

Lego 42129 automatic suspension lift

Has anyone looked at a mod to lower the suspension on the LEGO 42129 4x4 Mercedes-Benz trail truck when the differential lock activates. I was thinking about a few linear Actuators but never had a set ...
9 votes
1 answer
1k views

white-coloured light brick for the iron man sets

I've recently built the Marvel Iron Man Figure (76206) which comes with a light brick to power the 'arc reactor' in the set I find it problematic that the light brick lights up orange, rather than ...
2 votes
2 answers
267 views

Is it possible to control Airbus H175 Rescue Helicopter 42145 via the app?

Has anyone used a Technic Hub 88012 and not the Powered Up battery box that comes with the set? I would love to get it controlled via the app.
2 votes
0 answers
107 views

Fit motor to old tractor

I'd like to motorise this tractor I built from an old Lego book. I've 4.5 volt motors. The model is 6 studs wide, the motor is only 4, and since the tractor uses big wheels it would be too fast. Is ...
11 votes
1 answer
1k views

What is a "MOD" and how does it differ from a "MOC"?

In this imgur post, one of the images is captioned "MODs and MOCs - Ocean Beach, Kingsman Tailor shop, Sanctum Santorum." If a "MOC" is a "My Own Creation," what is (the most commonly used definition ...
5 votes
0 answers
201 views

what plastic is used in the floatable hull of 60266 Ocean Exploration ship?

I need to know what plastic is used for the hull (dark blue) of the 60266: Ocean Exploration Ship, in order to glue a reinforcement on. I bought this for my boys (younger than the advertised 7+). It ...
3 votes
1 answer
556 views

Linear Actuator Clicking

I have just finished working on a mock-up landing gear deployment mechanism, keeping it as simple as possible of course. However one thing that I cannot seem to get rid of, is the small linear ...
12 votes
1 answer
2k views

Pirates of Barracuda Bay 21322 - Is there a way to get the ship pirating-worthy?

From what I have read, when you convert the island to a seaworthy ship, you are still left with the inn part, and no cannons on the ship. All the portholes are gone or converted to windows. Is there ...
15 votes
2 answers
1k views

Is it possible to add the power functions to Western Train Chase?

I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better. Has anyone gotten the power functions to work on the Western ...
6 votes
1 answer
2k views

Does the LEGO Star Wars Holiday X-Wing (4002019) contain any unique pieces?

The 2019 LEGO Employee Gift 4002019 is a holiday-style Star Wars X-Wing Fighter. From what I can tell, this set is based on the current LEGO Star Wars X-Wing Fighter, with some different colored ...
3 votes
1 answer
350 views

How can the A and B models of the 42055 Bucket Wheel Excavator be modded to fit together?

The 42055 Bucket Wheel Excavator has a B model, a mobile aggregate grader: which shares the mining theme with the A model and seems to be designed to sort the mixed output of the excavator into ...
5 votes
0 answers
755 views

MouldKing set 13132 - Original design, alternate build or cloned MOC?

It seems that Chinese clone brand Mould King will be producing a new set that looks a bit like LEGO's Disney Castle set (71040). It has two times as many parts, however, and unlike LEGO's Disney ...
7 votes
2 answers
1k views

How do I add a light to the Red Cargo Train?

I want to add led light to the front (and probably back) of the Red Cargo Train but the shape of the light is making me wonder what brick I should use to hold the light. I've never seen these lights ...
8 votes
1 answer
2k views

42042 Crawler Crane: conversion to remote control

After many years of "Lego drought", I have decided to reinvest in some. Amongst a lot I have purchased is a Crawler Crane, half built, with all the parts to complete the build. However, instead of ...
18 votes
4 answers
18k views

How to speed up the 4x4 Crawler truck 9398?

Just finished building the 4x4 Crawler and it was a fun build but as a remote control car it is . . . in a word . . . SLOW! I know it's powerful and can climb over stuff but sometimes there is nothing ...
6 votes
2 answers
2k views

Emerald Night Piston replacement + jamming issue

I'm just wondering if I can get replacement piston rods for my Emerald Night, since the rods are easily the least impressive part of the model. I'm wondering if there is a form of kit that can make ...
5 votes
3 answers
440 views

Cheap Lego sets for Kindergarten classroom?

I am wondering what is the best way to get a set of Lego bricks for my kindergarten classroom? The children love playing with them and I no longer own them due to a transfer of grade levels.
3 votes
1 answer
8k views

How do I get instructions to fully motorize Technic 42006

I have just purchased the Technic 42006 and would like to make it fully remote controlled.
1 vote
0 answers
504 views

How do you secure a power function motor to a technic extreme cruiser? [closed]

I am trying to help my son install a power function m motor in his Technic extreme cruiser. We found a good place to put the motor and if we hold it in place it does drive the rear wheels. The ...
11 votes
1 answer
2k views

What is the difference between train motors 88002 and 10153?

I want to motorize my Santa Fe Super Chief. Its original instruction mentions 5300 but it's marked obsolete on BS.com and now re-released as 10153. In the same time 88002 costs few times less, e.g. $...
10 votes
3 answers
11k views

What parts are really required to motorize 10219 Maersk Train?

The Official site detailed page states that: Motorize your Maersk train by adding LEGO Power Functions #8878 Rechargeable Battery Box, #8887 Transformer 10V DC, #8884 IR Receiver, #8879 IR Speed ...