How to build
From WikiEducator
Here we list a couple of tutorials that present information on how to create content - build - in Second Life. This list is not comprehensive. You might find links to additional tutorial information when you view the tutorials.
Second Life building tutorial
A fun introduction to building from the Noob Begone team.
Building In Second Life
This SlBuilding web site contains a number of tutorials with video on how to build in Second Life http://www.slbuilding.com/.
For example:
Making a door that opens and closes when touched, and
Building a Clock in Second Life.