The ALLBOT is a modular robot system with Arduino compatible robot shields. Build and enhance the robot, learn how to program, use the app and have fun! Features all necessary plastic parts 4 x 9G servo motors a servo motor connector shield (VRSSM) a battery shield (VRBS1) includes different feet (microcontroler not incl.) app for smartphone or tablet (Android or iOS) (optional VR001 transmitter required to use the app) for a list of tested devices, please refer to: http://manuals.velleman.eu online manual available here: http://manuals.velleman.eu operable with Arduino and other compatible devices (required but not included!) Specifications servo motor connector shield (VRSSM): compatible with Arduino UNO and Arduino MEGA (required but not included!) Arduino UNO can drive max. 12 servo motors Arduino MEGA can drive max. 36 servo motors IR receiver beeper power indicator LEDs battery shield (VRBS1): power supply: 12 V booster for Arduino board (4 x AA batteries, alkaline or NiMH recommended but not incl.)