Here is another robot that gets your kids familiar with technology concepts. The GeeekClub 7-in-1 Robotic Kit comes with circuit boards, diodes, wires, light sensors, and everything you need to build 7 robots. It comes with over 250 electronic components and 70 parts.
This kit also ships with glasses, tweezers, file, step by step instructions and instructional videos. You can find out more about it here.