Possibilty number two: A cargo vessel carrying chariot wheels foundered in a storm.
Possibility number three: An Egyptian war chariot threw a wheel in turn #2 of the Red Sea 500. The pit crew was summarily sold into slavery.
Possibility number four: Nubian herdsman sitting around a campfire starting singing "Ezekiel saw the wheel way up in the middle of the air". God dropped the wheel on them because the song wasn't to be released until several thousand years later in the American South as a Negro spiritual.
(:raig