6 robohands for table hockey via Arduino Mega

The robot has 12 stepper motors, 2 motors for each player to play table hockey. The 1st motor through a mechanical drive moves the player forward and backward, and the 2nd motor through a flexible transmission moves the club left and right and strikes the puck. When the robot is turned on, LEDs with a green glow light up. When moving forward and backward, a blue glow is added, and when turning with a club, a red glow is added. The robot is, as it were, fastened to the table hockey game STIGA PLAY-OFF, and