Uli
  • Member for 3 years, 7 months
  • Last seen this week
4 answers
68 votes
11k views
24 bookmarks
Is it possible to build simple logic gates with LEGO mechanics?
7 answers
45 votes
7k views
7 bookmarks
How can I invert the direction of blocks in a structure?
1 answers
25 votes
4k views
11 bookmarks
How can I make a working pin tumbler lock?
5 answers
21 votes
3k views
5 bookmarks
How can I motorize City-scale wheels?
3 answers
20 votes
7k views
2 bookmarks
How do I build a sloped roof with a 60° rake?
3 answers
19 votes
2k views
2 bookmarks
How would you make a good pivot-arm suspension?
1 answers
18 votes
5k views
4 bookmarks
How are the LEGO instruction manuals made?
2 answers
18 votes
6k views
3 bookmarks
Bridge from just basic bricks?
3 answers
17 votes
1k views
2 bookmarks
Is there a way to remotely operate the push-button light brick?
1 answers
15 votes
6k views
3 bookmarks
What are the angles used in angle connectors and liftarms?
4 answers
15 votes
11k views
7 bookmarks
How to build a steerable remote-controlled vehicle with just 1 motor?
2 answers
14 votes
610 views
3 bookmarks
How were these building instructions from the 1970s produced?
1 answers
14 votes
1k views
6 bookmarks
Steering mechanism for City-scale vehicle
2 answers
14 votes
1k views
1 bookmarks
Are there LEGO sets designed for adults?
3 answers
14 votes
8k views
5 bookmarks
How can I build a LEGO marble pump?
1 answers
13 votes
2k views
1 bookmarks
Making a hexagon with plates
1 answers
13 votes
1k views
1 bookmarks
What is the centre hole for in modern train tracks?
2 answers
13 votes
2k views
2 bookmarks
In what set is this brick used?
2 answers
13 votes
682 views
4 bookmarks
Step 160 on Carousel 10257, white hinges not connecting?
3 answers
12 votes
4k views
1 bookmarks
How to Make a Lego Claw Arm?
1 answers
11 votes
916 views
3 bookmarks
Mechanical auto-unblocking mechanism
2 answers
11 votes
2k views
3 bookmarks
What part(s) can I use to connect technic liftarms at a 90 degree angle?
3 answers
11 votes
3k views
1 bookmarks
What are the torque limits of gears?
2 answers
10 votes
1k views
1 bookmarks
How can I build a brick-built monorail track?
2 answers
10 votes
586 views
4 bookmarks
All-purpose Technic set?
2 answers
10 votes
5k views
2 bookmarks
Homemade methods for interfacing a Servo with LEGO bricks
4 answers
9 votes
523 views
2 bookmarks
How can I blow a stream of air for up to two minutes at a time?
1 answers
9 votes
643 views
3 bookmarks
What is the largest jump in LEGO instructions?
3 answers
8 votes
575 views
1 bookmarks
How tall is the Saturn V set in LEGO units (studs, bricks etc.)?
1 answers
8 votes
272 views
2 bookmarks
How can body segments be moved to precise angles in snake robot?