Magician chassis arexx engineering dg007 the arexx magician chassis robot is a quick and easy way of using your preferred microcontroller system such as picaxe genie arduino in robotics applications the self assembly kit comes complete with two high torque motors with built in gearboxes wheels rollerball front wheel and 3xaa battery holder the cleverly perforated chassis allows you to easily mount your pcbs using pcb pillars and screws arexx dg007 magician chassis robot