How many times have you been riding an ATV through Jellystone Park when all of a sudden a ravenous bear begins to chase you because your armpits smell like jerky? 11? Thought so. Well, with the Quadski ($40,000) you can evade that nasty bear once you reach the lake as this thing turns from ATV into jet ski! Yes, it’s a fully functioning ATV/Personal Watercraft. Take that Optimus Bond!