The skeleton gear actual move , it simply a industrial with a mixture of roman ingredient It so funny museum. Material plastic Operated with 2 double C size battery ( do not operate with strong battery like engerzier ) Size 35cm diameter .<br><br><br><img src="http://gdetail.image-gmkt.com/029/715362328/2015/12/9642ca28-077f-4fb5-995e-fa34c9c1c2da.jpg" undefined=""><br><img src="http://gdetail.image-gmkt.com/029/715362328/2015/12/ec0c35f8-417f-4f35-a60d-b91f7a8d0a4b.jpg" undefined=""><br><img src="http://gdetail.image-gmkt.com/029/715362328/2015/12/6348bfc6-3614-43d6-a3ae-ba72ab54cdb5.jpg" undefined="">