One of the activities I have been involved with the last two years is the FIRST Robotics Challenge put on by FIRST (think Dean Kamen, inventor of the Segway and Dr. Woodie Flowers, MIT professor):
A key aspect of the program is the use of mentors (people with experience, that's all of you) providing their knowledge to the students on the team. These are big robots (5 feet tall, 3 ft wide by 3 ft long, 120 pounds), with powerful motors, gears and control systems. Most are made out of aluminum and various other materials. Teams range from having CNC machines to handdrills. Robots range from full CAD drawings to seat of the pants design. All aspects of it is fun and challenging.
The build season starts on January 9th when this years game will be announced. The build season ends on February 23rd. In 6.5 weeks you go from nothing to a working robot that meets the game requirements. It is intensely satisfying and involves all of those things that draw us into machining, materials, and computers.
Just as in life, there are teams that are haves and teams that are have nots. You can tell pretty quickly which teams have mentors and which ones don't. Given that mentors are a major part of the program, the students aren't benefiting as much as they could if they don't have mentors.
It's not hard to mentor, you just need to get started (kickoff is January 9th).
To locate a team to mentor:
If that doesn't work, contacting one of these people who will get you connected to the right team:
I hope you consider it. You will have a lot of fun. It may even help to justify the need for that new tool for your shop because you might need to help make a part for the team.