Picaxe line follower kit picaxe axe121 line follower kit picaxe family kit contents pcb 5 pin cable 2 x m3 nuts 2 x m3 20mm bolts 2 x nylon spacers 14 pin ic socket pre programmed pic16f676 4 7kr resistor yellow violet red gold 12r resistor brown red black gold 4 7kr resistor array marked 472g 1krresistor array marked 102g 100krpreset 3mm yellow led this self assembly kit adds line following capabilities to the micro robot plus can be used for your own robot applicatio