Why it's effective: We're not talking about turning them into a race car driver, hoping to make the next Lewis Hamilton. Just taking them out to those little karts after the roller coaster is going to make some of the fondest memories your kids will have.
Why it's effective: Wrenching together with your kids makes collective projects and teaches a lot more than an appreciation for automobiles. You don't even have to get them to turn a wrench. Just get them involved, like PonyTunerHVA's dad did without even knowing it.
My dad did it unintentionally (He is inclined, but doesn't see a car as anything more than a tool) when I watched him change his own brakes on his then new ‘86 Hyundai Pony. He was doing it to save a few bucks, as we were new immigrants.
And then I went to the junkyard with him at the age of 7 or 8... And I remember begging my dad to take me there, and he would help me take apart instrument clusters and remove car emblems, switches, and other little things. I then played with them, and made things from them.
Now, 29 cars later, I race them and rebuild my own engines (as well as create crazy hybrids), with my dad wondering, "where did I go wrong, why isn't he a diplomat...
Why it's effective: You've raised your kids to love everything about cars without ever having them behind the wheel of a real, full-sized automobile. They're finally old enough and you have one last responsibility: teach them how to drive stick.
By now your kids are bratty teens and will chafe at every bit of advice you give them, taking a couple years off the life of your clutch and giving you a few more grey hairs, but it will be worth it. They will have learned how to drive and they will have learned how to drive properly.
Congratulations, you've followed Jalopnik's ten step guide and the whole gearhead world stands before your kids. Now make sure all your insurance is in order because gearhead teens do stupid things.