Here is another educational kit made to teach kids about robots and tech in general. The ROBOTIS KIDSLAB 7-in-1 kit comes with everything students need to learn the basics of building and programming their own robots. It can be used to build a motorcycle, avoider, digital piano, line follower, bug fighter, and other types of robots.
This kit has over 42 hours of lessons and convenient assembly instructions. It can be programmed using the RoboPlus suite. More info is available here.