4
votes
1answer
203 views

How to build a car that stops at a certain distance?

I want to build a small car that is about 200 grams. I want it to run the following course and stop at exactly or about the the finish line. I can't use any controlling devices or electronics. I've ...
0
votes
3answers
851 views

Why do new LEGO bricks feel softer than old bricks?

The older bricks that were made back in the day, "pre-2K", seemed to be made out of a harder more durable brick that seemed to hurt your feet when you walked on them. Now it seems that since the other ...
9
votes
1answer
662 views

What are all the different ways that LEGO pieces join together?

Has anyone made a list of all of the different types of connections between LEGO bricks? Obviously there's the stud connection - but there's also the ball and socket joint, the more recent ...