Ballie, a little robotic smart home ball that made waves in previous shows, is becoming a real product.

Both his jugglers do an excellent job of keeping the ball under control; his robotic ball-flinger is designed to throw the ball to the same spot every time.

This is Guardbot, a surveillance robot that's able to manoeuvre on any terrain, even having the ability to swim. The device comes in a variety of sizes, ranging from as small as 5 inches to a ...