This combination deal contains most of the parts you need to build an Zumo Arduino robot. It consists of a Zumo Shield for Arduino, a Zumo chassis kit, and a Zumo blade. This programmable robot can be used as an autonomous robot.
This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-power brushed DC motor with 100:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, 3 mm-diameter D-shaped output shaft.