Meet the IG52 Mecanum Wheel Robot: a programmable robot that can move in any direction. This Arduino robot comes with a CNC cut 4WD base, 8 inch Mecanum wheels, IG52 24V 136RPM gear motors, Sabertooth 2x25A Motor Controller, 12V battery, and everything you need to get started. The robot weighs about 60 lbs.
The above video shows how this robot performs.