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Top Questions

2 votes
1 answer
60 views
Which LEGO vehicle has 1x 50373 and 2x 30165 red bricks
1 vote
1 answer
25 views
Kick a LEGO MINDSTORMS NXT p-Brick out of SAM-BA mode without writing new firmware?
9 votes
1 answer
2k views
Identify LEGO set which looks like helicopter
5 votes
1 answer
196 views
Help identify minifig Pharaoh-like headdress
7 votes
1 answer
931 views
Help identify this Lego set - light blues, browns, and dark purples
0 votes
0 answers
103 views
why I adding piece of mutiple layers of paper into lsd? [closed]
3 votes
1 answer
505 views
Identify this T-shaped part
7 votes
1 answer
396 views
What is this LEGO part number? Technic, right angle with 4 pins sticking out
17 votes
4 answers
2k views
How can I get my motor to line up with a linear actuator?
6 votes
1 answer
647 views
Identify set by bag 4 - lots of circular pieces
9 votes
1 answer
777 views
What is the part name and use for this small piece shaped like a lever?
0 votes
0 answers
60 views
What is this large stick-like, tan+dark blue piece? [duplicate]
7 votes
1 answer
2k views
What’s this brick called? Two studs long and has the grab circles on one side
0 votes
0 answers
35 views
Specific Pieces Not Listed on Lego.com PAB [duplicate]
0 votes
3 answers
179 views
Why does this "useless machine" use out of production parts?
7 votes
0 answers
148 views
I got a vintage roof brick that is very nice but can’t find what it is?
4 votes
1 answer
559 views
What Lego set is this from? minifig-scale bumpy grey spaceship
0 votes
0 answers
107 views
Help Identifying Unique Brick - 3 long prongs or claws
4 votes
1 answer
1k views
Can you identify these legs with the grass skirt?
10 votes
1 answer
2k views
What is a Planetary Decoder? What does it decode? How does it work?
4 votes
1 answer
195 views
Which set did this head with horns come from?
3 votes
2 answers
78 views
Camera for Spike or Mindstorms for Streaming
0 votes
1 answer
90 views
How can I build MOCs well [closed]
3 votes
0 answers
69 views
Is there a parts list for Light Stax pieces anywhere?
6 votes
1 answer
251 views
Has the colour "White" changed over the years?
1 vote
0 answers
89 views
What is the reference of this part?
6 votes
1 answer
422 views
Classic Space part? near-triangle with 2x6 on one end and 1x2 on the other and a lot of empty space between
3 votes
0 answers
96 views
Attaching a laptop to a table
6 votes
0 answers
85 views
Will custom parts be included in .IO-files?
7 votes
1 answer
134 views
What is an effective method for breaking down and storing large sets for future rebuilds?
2 votes
1 answer
106 views
Why are the modified 1x2 plates with tow ball (socket) only available in light- or dark bluish gray?
6 votes
1 answer
133 views
Are there known manufacturing issues with 1x1 gold cones?
3 votes
0 answers
51 views
Boost on laptop
0 votes
1 answer
124 views
Need Help identifying LEGO castles
5 votes
1 answer
108 views
Help identify 1x2 modified plate with both pin and axle holes
6 votes
1 answer
447 views
How do I build this robot car?
4 votes
0 answers
91 views
Make and take set identification
7 votes
1 answer
136 views
Motor problems in 60051
5 votes
1 answer
382 views
LEGO Bugatti Issues
14 votes
1 answer
682 views
How does the LEGO Typewriter mechanism fit?
2 votes
0 answers
283 views
Caterpilar D11 (set 42131). Control+ app doesn't seem to work
2 votes
1 answer
185 views
How to fix the Lego Technic RC Stunt Racer (42095) set's turning drift?
4 votes
1 answer
161 views
Who and where manufactured these “MIDO” bricks from the 80s?
5 votes
1 answer
204 views
What electronics are inside the SPIKE Prime angular motors?
13 votes
2 answers
2k views
Where can one find the documentation for the LEGO Mindstorms Robot Inventor software?
14 votes
5 answers
2k views
How does the Space Shuttle dock the ISS?
25 votes
3 answers
8k views
What LEGO set has the biggest box?
7 votes
2 answers
249 views
Help identifying black slope piece with printed knobs, dials, and gauges

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