The VEX Robotics Design System is a robotic kit intended to introduce students as well as adults to the world of robotics. The VEX Robotics Design System is centered around the VEX Clawbot Kit which is sold in the Dual Control Starter Kit(sold for USD $499.99). This kit comes with four electric motors, 4 wheels, gears, and structural parts. Additional sensors (ultrasonic, programming software (easyC, ROBOTC, MPLab), can all be purchased separately. - Source: Wikipedia
