Evert Bos

I took mine of the shelf and measured it, it is around 34 cm in height, 61 cm in length and 25.5 in width.

If you really want to make your own code to control the powered up motors Rasberry recently make the Pi Build hat which enabled you to control 4 motors using a rasberry pi. You can program them via their custom python library. It was also on the robotics forum