There are also lots of kits in the Make Store. (http://makershed.com) Makezine also has a couple of older weekend projects about electronics. Like this one about the arduino

http://blog.makezine.com/archive/2007/09/intro_to_the_arduin...

Or this into to breadboard electronics:

http://blog.makezine.com/archive/2007/08/intro_to_breadboard...

Or the introduction to oscilloscopes:

http://blog.makezine.com/archive/2007/02/introduction_to_osc...