Included in the Downloads are all the files to make a multi purpose educational platform. I have included two wheel designs, a sumo fighting shield and the fire fighting accessories. I printed all the parts on a Solidoodle 2. Video of the line detector here: https://www.youtube.com/watch?v=D43i4oSQXzw&feature=c4-overview&list=UUVFLoZlTjw1ntq-6utlJtog and the Sharps: https://www.youtube.com/watch?v=7ItkuQBnhpY&feature=c4-overview&list=UUVFLoZlTjw1ntq-6utlJtog Videos of the CO2 blaster can be found here: https://www.youtube.com/watch?v=VAOkueSI1ks&feature=c4-overview&list=UUVFLoZlTjw1ntq-6utlJtog The robot is controlled with a Arduino compatible Teensy 2.0 on a Robodyssey RAMB III. It has 3 Sharp sensors for wall detection. 3 Analog Reflectance Sensors for detecting the flame and 2 Analog Reflectance Sensors to detect black lines. Everything is available from Robodyssey here: http://www.pattonrobotics.com Code examples can be found here: http://www.pattonrobotics.com Check out Trinity Firefighting Robots here: http://www.trincoll.edu/events/robot/I have posted a video assembly guide on youtube here: https://www.youtube.com/watch?v=2w0Vx9fLpLQ&feature=c4-overview&list=UUVFLoZlTjw1ntq-6utlJtog Sorry about the off center shots