Labs: Breadboard How To
A Breadboard or Protoboard is used to build and test circuits (prototype them) without having to solder parts together.
Introduction to Breadboards (Protoboards) and Nodes
http://www.youtube.com/watch?v=lqw6ask5HK0&list=PL64454FC4196F224D
How to build circuits from schematics
http://www.youtube.com/watch?v=vJUX9cvyYjU
More detailed information and other examples:
Introduction to Breadboards (Protoboards) part 1 of 2
http://www.youtube.com/watch?v=oiqNaSPTI7w
Introduction to Breadboards (Protoboards) part 1 of 2
http://www.youtube.com/watch?v=Mq9XMNsoAd8