Remember when you were a kid, and the coolest toy imaginable was a slow-moving Powerwheel car whose battery ran out after about 10 minutes or one trip up the driveway? Well times have changed. A Japanese company has unveiled their latest toy, the Kidswalker NT—a gas-powered exoskeleton equipped with both a metal claw, and for some inexplicable reason, a drill. Because what could possibly go wrong if you put a child at the controls of a massive, powerful, robot that has a drill for an arm? But, if you want to give your kid (or, more than likely, yourself), the ultimate Christmas present, you may want to start saving up now. The Kidswalker costs $21,000 ….