When you first pick it up it feels loose in the hand like it may fall apart... but it never does... the pieces are assuredly locked in place and the more you roll it around in your hand the better it feels. With non-symetrical pieces and angles... it scratches that part of the brain that is wild yet controlled.
If this one does not sell, I guess it was meant to live with me.
Shipping cost calculated after close of auction.