I made it from scrap brass flat stock. The joints are of all things airsoft BBs, and the sockets were cut from broken Tiger suspension arms.

Not including the servo. It cost about $1.50. With servo about $17. Watching the CO move Priceless

All you do guys is take brass tube and cut a spiral. I'll post some construcion pics. You are gonna laugh when you see how simple this is.

Hardest part was getting the guy all hollowed out.

Don