Hi,
just got a "bq kit robotica" to test in my magazine, really good.
I took my old Lego car, and adapt it to take the new parts, so i now have:

A LEGO car controlled with by my tablet, with light sensors and IR sensors.

See the video here (at bottom of page)
It is in Portuguese bu video is in english.
Hope you like it

http://revistapushstart.com/2014/03/...t-de-robotica/