Gift Idea's for the robotics students and general hobby peoples!
http://www.sparkfun.com/products/10339
Learn about EVERYTHING with microcontrollers
http://www.sparkfun.com/products/9950
The defacto Microcontroller open source hardware... Mechanical oriented people can follow examples and program motors fairly easily
A different approach with microcontrollers...
http://www.nerdkits.com/store/
USB nerdkit
An affordable oscilloscope! Makes time varying electrical signalsvisible.
http://www.pdamusician.com/dpscope/
A dirt cheap multimeter for home!
http://www.harborfreight.com/7-function-digital-multimeter-90899.html
A dirt cheap soldering iron for home!
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=374-100
Circuit Kits!