I previously reviewed the excellent app-enabled Sphero Mini, which is a small robotic ball you can control from your smartphone.
Packed with teeny tiny tech, Sphero Mini has a little gyroscope, accelerometer, and LED lights. With almost an hour of play time, Sphero Mini is the next big thing.
This is great fun for people of all ages and provided me with plenty of entertainment. It is not just a one trick pony though, you can use the ball as a controller to shoot your way through space, race a vehicle through a tunnel, or rotate your ball to destroy a polygon of bricks.