Robotic Arm is a mechanical arm release in a 2011. Robotic Arm replaces Professor Crazy's right arm, after cut off his right arm from Top Agents. It is an robot body part from 4880 [gangster lab] and in the usa version. this robotic arm is also in a set with unknown number that called mongolian army boat [expo set]. The robotic claw is similar to the Dr. Claw's robotic claw from 1999 Inspector Gadget movie and Tee Hee's robotic arm from James Bond.