Parrot AR.Drone Quadricopter

The copter itself is computer-stabilized, so controlling it is much easier than the standard $40 toy RC helicopter you may be familiar with. But it should be: it’ll cost in the neighborhood of $500, when it ships this summer. You tilt your iPhone to steer the helicopter, with touch controls to adjust altitude. You’ll get about 15 minutes of battery-powered fun on a one-hour charge.