You might find that after some time your Marty's arm starts to move unexpectedly, this can be caused...

If you are finding that your arm does not move correctly it may be because the arm gear has been tightened...

There are a few reasons why Marty might not be walking properly Marty will walk best on a hard surface...

If Marty's face is loose, please check that the two little clips at the top of the face are completely...

If Marty receives a large knock, it is possible that the servo arm will skip around the servo spline....