There have been some really crazy Hot Wheels tracks created over the years, from home-grown masterpieces like this to 'official' versions such as the "highest" wall track . But the folks at the diecast-car company have outdone themselves with this latest track, which was designed for dads, not kids.As Hot Wheels puts it, some kids were invited to a casting call and their dads drove them there - little did the grownups know that they were the real targets. Even so, we're not so sure it's reality TV (or at least more authentic than most 'reality TV'), as the video implies.The whole thing plays out a bit like a short, happy Saw movie (i.e., no profanity and no blood and guts), and that's all we'll say. If you have a couple spare minutes, it's worth a watch below