Only available in ScratchGPIO6 Alpha
It is currently being tested and support for it in in the 6 Alpha version of ScratchGPIO
As well as the usual two bi-directional motors, it has left and right line sensors, left and right obstacle sensors, an ultrasonic module, 2 pairs or controllable LEDS (Front and Back) and a little switch on the side.
As well as the built in hardware, it has 2 sets of servo pins and an Adafruit compatible I2C connector.
The robot itself is powered from 6xAA (NiMH recommended) which goes thru a very efficient switching regulator which maximises battery life.