Dear Rabbi Dov, As I mentioned to you a few days ago, the dreidle is actually an ancient toy, but I may be one the very few people who knows this, and I discovered it by accident.
Golomb, Solomon W.
"The Antiquity of the Dreidle,"
Word Ways: Vol. 44
, Article 17.
Available at: http://digitalcommons.butler.edu/wordways/vol44/iss4/17