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This guy is easy to make, and poseable, simple and can be assembled in minutes ,built it from old bearings brass compression fittings and rare earth magnets between bearings, the robbie robot one is all held together with magnets too. and both come apart and together  with no tools. made from old tractor parts , bearings, magnets 2 glass fuel bowls and a bunch of junk.  The little  ball guys name is Guy.   Merry Christmas .
 
Haha! That's sweet!
You should enter this into the Holiday Gifts Contest!