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9

Here are some disassembly pictures and tips. Tools needed: Either a precision flat-head or Philips screwdriver: There are two flat-head/Phillips hybrid screws that hold the the battery cover down. These two screws do not come completely out the battery cover. T9 Star Key: There are six T9 star screws. Four on the corners of the housing and two hidden ...


6

I could imagine that this design was chosen to take care of slight angular missalignment of the tracks at the peak of the bridge (the two parts are not exactly in a straight line but slightly bent at the joint). I cannot confirm whether this is possible, because I don't own these parts, but I think for easy assembly and disassembly they have to have a little ...


6

At last, I have your answer. The figure is from a "Giant Pre-School Loc Bloc" set, likely the "Playground" one shown in the picture. Nearly a month later, while doing unrelated research, I found "Giant Brix Blox", a second possible source of these types of figures; It makes since given that sources claim Loc Blocs & Brix Blox were both imported ...


6

The table IS already cross compatible, even though it doesn't look it. The tabletop or LEGO baseplate is cross molded for DUPLO pieces to fit and lock in on top of the regular LEGO baseplate. PART ONE: THE PICTURED PROOFS... So, let's imagine the top of your table is my unopened gray baseplate. We'll use a DUPLO Cock-A-Doodle-Doo for an example DUPLO ...


4

I was able to remove the screws properly with a Torx T9 screwdriver from our Duplo Train Push & Go Motor (28743).


4

Skip on over to YouTube and watch this guy fix one of his toddler's jammed up trains. Comparing your picture to his video, we can see the general area where the "hip springs" should be, but from my vantage point I can't tell if the pieces snap in somehow, or if they were broken off during disassembly. That's where you'll have to step in to make that ...


4

This is an excellent question. Here's my best guess as to why this is. As you've pointed out, LEGO System Minifigures were made with yellow heads from the start for a specific reason. On Lego.com it states: We chose yellow to avoid assigning a specific ethnicity in sets that don't include any specific characters. With this neutral color, fans can assign ...


3

Although we probably won't get a definite answer to why this decision was made, unless a LEGO part designer steps in to answer the question, here are some things to consider. The LEGO DUPLO bathtub, toilet, and sink all have two studs at the end. Looking through all the sets these pieces appear in, the studs are used for attaching accessories, like a shower ...


3

Color sensor for some amount of time. I was able to make green Lego tiles work, if the area I covered was 2x8 (in LEGO scale, not DUPLO) bumps. I put a standard Lego scale 4x8 brick under the Duplo track piece, and then built up the exposed area to the height of the center of the Duplo track, and then put 2 green Lego tiles (1x8) on top. This worked ...


3

It is about color and length The Duplo action brick uses a color sensor, so you want to use the correct colors and it needs the length of the brick for the sensor to determine the color. paper replacement (youtube) How to 3d print your own


2

As seen in this question there is a sensor below the train. This is most likely to be a color sensor which is how it detects action brick.


2

Physically, these parts are compatible. They simply rest in between the rails. Various elements have made use of the space between the rails for years, such as points: Older trains don't have any way to understand the function elements and respond accordingly, but they won't derail or anything like that.


1

This article potentially provides some insight to the type of research that product developers, such as Lego, might use to "better" their products. It's title is obviously meant to be humorous. "https://nypost.com/2017/04/13/your-baby-is-a-little-bit-racist-science-says/" If research suggests that babies/children react to things like skin tone, it ...


1

If you have red floor or carpet, that could be recognized as the Stop Rail Accessory by the engine. Otherwise I would contact Lego customer support.


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