Do-it-yourself does not just refer to hours at Home Depot, then trucking all that stuff home to saw, sweat, swear and drive back to Home Depot for stuff you forgot, while your family watches from a distance–afraid of the snarls. As an educational tool, DIY refers to the blow-stuff-up, come-home-dirty-enough-so-your-mom-makes-you-change-in-the-garage, direct-your-own-project learning. You know,…