The moving part is unique. I'm not sure if many other people do this. It doesn't seem crazy complicated. A lot of the moving aspects are just pressure switches that trigger one or more things. He basically machines the inside of the coin to fit the mechanical parts that he buys from a manufacturer. They're more than likely custom made.
It is a rip off! I bought six for grandsons. They did not have movable parts. The boys were very disappointed. Major disappointment and nowhere to send them back.
