Suggested by Dan Brown's remarks in today's Science Times  special section on puzzles—

http://www.log24.com/log/pix10B/101202-DreidelAndStoneSm.jpg

For a fanciful linkage of the dreidel 's concept of chance
to The Stone 's concept of invariant law, note that the
New York Lottery evening number on Dec. 1 (the
beginning of Hanukkah) was 840. See also the number
840 in the final post (July 20, 2002) of a search for
Solomon's Cube.

http://www.log24.com/log/pix10B/101207-FifthAve5AM.jpg