This is a pretty cool self assembly (involves electronic soldering) robot kit. It is equipped with an Atmel processor and two independently controlled motors with tachometer sensors, an optical sensor, six collision-detector switches, three indicator LEDs and an IR-interface for programming and remote controlling by a PC. It is supplied with software compiler, editor and upload tools and is completely programmable in C using freeware tools. Compatible with Windows and Linux. Additional expansion boards are also available for extending your robot. Buy Now.