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Top Questions

4 answers
17 votes
2k views
How can I get my motor to line up with a linear actuator?
1 answer
10 votes
1k views
What is a Planetary Decoder? What does it decode? How does it work?
1 answer
7 votes
880 views
Help identify this Lego set - light blues, browns, and dark purples
1 answer
7 votes
2k views
What’s this brick called? Two studs long and has the grab circles on one side
3 answers
0 votes
168 views
Why does this "useless machine" use out of production parts?
1 answer
4 votes
1k views
Can you identify these legs with the grass skirt?
1 answer
6 votes
846 views
Identify LEGO set which looks like helicopter
1 answer
6 votes
641 views
Identify set by bag 4 - lots of circular pieces
1 answer
9 votes
768 views
What is the part name and use for this small piece shaped like a lever?
1 answer
6 votes
418 views
Classic Space part? near-triangle with 2x6 on one end and 1x2 on the other and a lot of empty space between
1 answer
7 votes
372 views
What is this LEGO part number? Technic, right angle with 4 pins sticking out
1 answer
3 votes
480 views
Identify this T-shaped part
1 answer
4 votes
539 views
What Lego set is this from? minifig-scale bumpy grey spaceship
1 answer
5 votes
137 views
Help identify minifig Pharaoh-like headdress
1 answer
7 votes
129 views
What is an effective method for breaking down and storing large sets for future rebuilds?
1 answer
6 votes
249 views
Has the colour "White" changed over the years?
1 answer
4 votes
188 views
Which set did this head with horns come from?
1 answer
6 votes
132 views
Are there known manufacturing issues with 1x1 gold cones?
1 answer
0 votes
86 views
How can I build MOCs well [closed]
1 answer
2 votes
105 views
Why are the modified 1x2 plates with tow ball (socket) only available in light- or dark bluish gray?
2 answers
3 votes
77 views
Camera for Spike or Mindstorms for Streaming
1 answer
0 votes
121 views
Need Help identifying LEGO castles
1 answer
5 votes
108 views
Help identify 1x2 modified plate with both pin and axle holes
0 answers
7 votes
138 views
I got a vintage roof brick that is very nice but can’t find what it is?
0 answers
0 votes
95 views
Help Identifying Unique Brick - 3 long prongs or claws
0 answers
3 votes
91 views
Attaching a laptop to a table
0 answers
4 votes
88 views
Make and take set identification
0 answers
1 vote
86 views
What is the reference of this part?
0 answers
6 votes
84 views
Will custom parts be included in .IO-files?
0 answers
0 votes
83 views
why I adding piece of mutiple layers of paper into lsd? [closed]
0 answers
3 votes
65 views
Is there a parts list for Light Stax pieces anywhere?
0 answers
0 votes
58 views
What is this large stick-like, tan+dark blue piece? [duplicate]
0 answers
3 votes
50 views
Boost on laptop
0 answers
0 votes
34 views
Specific Pieces Not Listed on Lego.com PAB [duplicate]

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