This is Robotijo by Paco Carabaza. A Lynxmotion movil arm based robot, with adds-on like two infrared detectors made whith old parts (from mouses, and a infrared headphones), a ultrasonic detector for motion sensing. It had two sensors at wheels for control the spin. This robot is capable to follow a line, take choices for selecting objects, and much more. Email: acicuecalo@yahoo.com