DFRobot-ROB0050-4WD-Mini Q-Arduino-Robot-V2-0-DFRobot-ROB0050-P-This-4WD-Mini Q-mobile-robot-kit-is-especially-designed-for-education-&-learning-purposes-It-comes-fully-assembled-&-all-you-need-is-a-PC-with-Arduino-IDE-&-4x-AA-batteries-P-P-This-new-version-of-Mini Q-4WD-Arduino-Robot-Kit-comes-with-Arduino-Leonardo-controller-ATmega 32u 4-&-also-integrates-modules-such-as-RGB-LED-photosensitive-diode-infra-red-transmitters-infra-red-receivers-infra-red-line-tracking-sensors-li