With a little technical and coding know-how you could program your smartphone to control pretty much whatever you like. We've seen people use their handsets to set the lighting in their homes, change the channel on their TVs, and, more recently, control miniature robots. YouTube is littered with videos of guys and girls who have figured out ways to have their phones move little self-made robots back and forth. But what if you, the eager but mechanically inept consumer, want to use your iPhone to play with a cool toy? Well, now you can buy one. Over the past year or so some companies have released or announced toys that grown-ass kids can control using their iPhones. These are the five coolest ones we've come across.