Forget about the "take your kid to work" days. CAD for Kids lets children of engineers actually do the kind of work their parents do. This modified version of CADKEY (www.cad.com) software intended for children between eight and 15 years old, introduces basic drafting and solid modeling, and features a teaching mouse, Doctor Walt, which helps children design products.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies.
You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived.
So if you can't attend live, attend at your convenience.