is Parallax’s widely-anticipated Propeller-based robot. At first look the S2 appears to be a distant cousin to the original blue Scribbler (S1) , but a look under the shell shows generations of electronic evolution! Some of the improvements the P8X32A multi-core microcontroller with eight processing cogs, faster motors with encoder feedback for precision movement, bright bi-color LEDs, a loud speaker, a microphone and a truly accessible hacker port! Applications such as pen-based artwork, XBee communication between robots and computers, voice synthesis, robot following and classroom competition are all possible with the S2.
Full article: http://www.parallax.com/go/s2/