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The Mindstorms NXT may look like a children's toy, but it's actually a robot development kit. A programmable controller allows anyone who buys the $249 kit--expected to hit the market in August--to create any of an infinite number of possible robots.
Lego Mindstorms director Soren Lund (center) discusses the Mindstorms NXT program in front of a slogan declaring the program's goal: "We will do for robotics what iPod did for music."
Lego's Mindstorms robots, like the AlphaRex pictured here, are built with four sensors: ultrasonics that function as eyes, as well as those that react to light, sound or touch. The robots are Bluetooth-enabled, meaning they can be controlled by, and can control, any Bluetooth device.