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37,112 times Well I did it. I built a machine to test this. It took 10 days until the LEGO at the bottom couldn't stay on anymore. Check my blog for more details


No, they are not meant to come off (and neither are their hands) and I imagine that doing so repeatedly will cause them to become loose, as is the case with hands. I have noticed that the hands come off a lot easier nowadays compared to 1970s/1980s vintage Lego, but I'm rarely sadistic enough to rip their arms off :)


Tristan Lostroh did an exhaustive test of both studded beams and stud-less beams with and without connections. Here are his results: Studless beams are better in tension than studded Studded beams are better in transverse than studless Studless beams are stronger in transverse with the pins on the side Connections to other components will fail ...


ABS maximum temperature is 80C (176F) and melt at 105C (221F) Polycarbonate plastic used for transparent bricks melt at 267C (512.6F) Since a candle flame has a temperature in excess of 1000C (1832F). I would advise against making a candle holder of LEGO bricks. Plastic types are explained on this question.


Lego is generally quite robust, but there are potential weaknesses: Material Problems Some parts are prone to damage as a consequence of the material from which they are made: Plastic Sunlight can cause discoloration Bricks can be damaged by extremes of temperature Older bricks (pre ABS) are prone to warping, discoloration and may become brittle Most ...


The optimal clutch power is attained after 8 to 10 couplings(search for "clutch"); that is, before that, the bricks will sometimes cling a little too much on each other. However, I don't think anyone ever actually stated when clutch power would start to deteriorate. I'd tend to assume that once the optimal clutch is reached, there is just enough plastic at ...


Each time I've heard someone from LEGO speak about quality, they tend to insist on on simple message: they can't do anything on a problem they don't know about. This may seem very obvious, but they feel it needs to be repeated anyway. What this means is that they want every single customer with any quality problem to actually report it. Apart from the fact ...


Minifig Hands (and skeleton arms) - if you replace/change tools often Axles - be careful where bearing loads, long axles make easy weak points. Gears - I've had cracked 24t gears - old style, cracked old style crown gears, and those tiny bevel gears, the old style - I've had those broken too. Pneumatic system push fittings - I've seen sheared off. ...


I did it regularly as a kid and, while it takes some effort, it had to be done a considerable amount of times for any damage to appear. Removing arms allows for more variety in your minifigs, but also to use these elements separately for other purposes (never underestimate the usefullness of a single hand, or the architectural value of a torso). Also, note ...


From my experience: Normally No! But you can yank them out softly. If you do it to often they'll become loose.


This was a common problem with ball sockets in Bionicle figures released between 2007 and 2010. The first wave of Hero Factory figures, which the pictured elements are from, also used this style of socket, as well as regular bricks with ball sockets released during that time. The problem has been addressed by The Lego Group, and the new ball socket elements ...


The pieces that broke most frequently for me were the 2-by-2 square flags: They are often used in pirate sets as cannon porthole covers (shown in red on the Black Seas Barracuda). The clips tend to break very easily.


I'm not sure there's any official answer for this, however I can answer with an anecdote. There have been a few times where I've come across old bricks that have been assembled together for a very long time (ie many years). When prised apart, I've spotted that the studs have actually made an indentation on the sides of the tubes. Based on this, I wonder ...


Try to keep the track in mint condition. For example, don't expose it to extreme heat or cold. Keep it away from any pets or children who don't know better. Looking at some pictures, it seems that the vehicle on the monorail runs on a gear. Try interchanging gears every so often so that the gears don't wear and the teeth don't get bent or break.


Minifigure hook hands are easily broken — especially the gold-coloured hooks from the 2010 Pirates line, as the material used for gold pieces is rather fragile.


Wheel 30.4 x 14 VR has the tendency to crack around the axle under high stress.


I would say the most breakable piece, in my opinion, is the Plate, Modified 1 x 1 with Clip Horizontal.


The ones that break for me are the sockets for the ball joints. See http://www.flickr.com/photos/grandpappy/3988584161/...


The only arms you can legally take off are found on Mos Eisley cantina aliens. Use the blue light saber to take them off cleanly. By the same logic, you can only swap hands on certain Luke Skywalker minifigs. Or pirates. This is also true now for certain Anakin Skywalker minifigs.


I had Lego MOCs loose their clutch on me after being left in a car for 9 hours during the summer. Outside temp was about 100F, so inside was quite a bit hotter. After this, I had to glue the MOCs back together. So, the shorter answer is that I'd imagine that a candle could damage the plastics at least to the point where the bricks would not hold together ...


I've had quite a few of these break: Peeron calls them Minifig Mechanical Arm (id 30377). Apparently Lego calls them Space Skeleon Arm (I'm guessing that should be Skeleton, but no idea) They're used as door hinges in the City Passenger Plane:


It isn't even a fair contest. In my childhood of playing with Lego Space sets, this piece (Bracket 2 x 2 - 2 x 2) broke the most.

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