Here are some Robotis part websites that are relevant to this kit. More to come! 

  * Servo motors: Robotis Dynamixel AX-12 or AX-18 smart servos for larger robots, [[http://www.robotis.us/dynamixel-xl-320/|Robotis XL-320 smart servos]] for smaller robots. Alternatively, high performance hobby servos, modified for continuous rotation as necessary.
  * Low level controller: Arduino Uno, Micro or alternative Arduino-compatible microcontroller such as the [[http://www.robotis.us/opencm9-04-a-no-connectors-onboard/|Robotis OpenCM904]].
  * Other [[http://www.robotis.us/sensors/|sensors]] and communications modules [[http://www.robotis.us/bt-210/|such as bluetooth]].