So you want to learn more about robotics and electronics? The Rokit Kit has you covered. It has 11 modes and does not require any soldering for you to get started. You can build a line-following, rubber band gun, and other robots with this. The kit includes motors, smart board, wheels, metal frames, and other parts to get started.
This kit could prove useful to Arduino learners. It is available for $145 at this time.