There is no better way to learn about robots than building and hacking your own. Antbo is a cute, hackable insect robot that you can assemble and control from your smartphone. It also responds to your voice or path you draw for it. Get more than one Antbo, and you can compete with friends.
Antbo supports additional sensors, so you can make it more powerful. It can be programmed with WhenDo, Scratch, and Arduino. You can pre-order yours on Indiegogo.[where to get it]