Hi Curt, Sounds good - But - I would think the glass marbles would break seal as the surface gets tiny scratches - chips - etc. Joe "Pip" Betz said that. jlb94 at juno.com - - - www.oldengine.org/members/betz ,-._,-. http://community.webshots.com/user/pipbetz \/)"(\/ Plan ahead - (_o_) it wasn't raining when Noah built the ark.