#3166 - 07/10/04 11:32 AM
The Vanishing Leprechaun
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David Acer
Registered: 02/09/08
Posts: 88
Loc: Montreal, Canada
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Hi All,
Can anyone direct me to information regarding the puzzle that was sold as "The Vanishing Leprechaun" in the early eighties? It was, as I recall, a rectangle cut into three pieces (one long piece at the base and two smaller pieces along the top). When the puzzle was assembled one way, there appeared to be 15 leprechauns on it, but if you rearranged the puzzle by switching the top two pieces with one another, there were now only 14 leprechauns.
I know the puzzle has been reissued (Toad Hall Toys in Winnipeg is advertising it, as are others I'm sure). My question pertains more to the science (and origins) of the puzzle. Is information on this written up anywhere?
Any leads would be much appreciated.
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#3167 - 07/10/04 01:34 PM
Re: The Vanishing Leprechaun
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Jeff Haas
Registered: 01/17/08
Posts: 117
Loc: San Mateo, CA
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I first thought it was one of Sam Lloyd's puzzles, but the only references I can find are for Pat Lyons.
See:
http://members.lycos.nl/amazingart/E/93.html
There might also be something in one of Martin Gardner's books on it.
Jeff
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#3168 - 07/10/04 01:38 PM
Re: The Vanishing Leprechaun
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Max Maven
Registered: 01/17/08
Posts: 57
Loc: Hollywood, CA
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Geometric vanishes go back at least as far as the 18th century. The two most informative articles on the topic of which I'm aware are a section in Martin Gardner's Mathematics, Magic and Mystery (1958) and an article by Mel Stover in the November 1980 issue of Games magazine.
Mel owned what was probably the largest collection of such constructions, and devised some of the best (including the groundbreaking faces-and-beer-mugs version).
Others who have contributed valuable work include Sam Loyd, Winston Freer, Paul Curry, Masao Atsukawa and Mark Setteducati.
The leprechaun version is one of the finest designs, done by Pat Lyons in 1968. It was marketed by Bill Elliott.
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#3169 - 07/10/04 01:50 PM
Re: The Vanishing Leprechaun
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Bill Mullins
Registered: 01/17/08
Posts: 1434
Loc: Huntsville, AL
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HERE is a Sam Loyd version of the same puzzle.
I have a giveaway from McDonald's in which a hamburger disappears; the premise is that the Hamburglar stole it.
Tenyo had one lately (the vanishing ghost -- maybe a Japan only item?)
HERE is a page that has reference to a 1794 explanation (perhaps the one Max refers to) and its application to counterfeiting.
Another
More
It seems like I heard that Mark Setteducati ended up with some of Mel Stover's collection -- he most likely would be a good source of info.
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#3170 - 07/10/04 01:58 PM
Re: The Vanishing Leprechaun
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DChung
Registered: 03/14/08
Posts: 45
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Sam Loyd's (the spelling may be why you didn't find anything, Jeff) puzzle was entitled "Get off the Earth" and is from 1896. This was definitely one of the most popular versions of the puzzle.
Max already gave some good references on these types of puzzles, and I am partial to the Martin Gardner material.
David, if you need any more specific information on this stuff, give me a shout. I just finished up my thesis, so now I'm just lazing around town with nothing to do.
Derrick
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#3172 - 07/10/04 03:50 PM
Re: The Vanishing Leprechaun
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Kevin Connolly
Registered: 01/17/08
Posts: 859
Loc: New Jersey
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I had one of Irv Weiner ones. I came across it a few weeks ago. I showed it to my daughter and then tossed it trying to weed out the non-Houdini. Oh well.
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#3173 - 07/11/04 04:26 PM
Re: The Vanishing Leprechaun
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Anonymous
Anonymous
Unregistered
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I used to see the leprechauns on the counter at the Arcade Magic Shop in Toronto, thirty years ago.
You'll find a lot of info about in Ibidem Volume 3, page 850 "The Vanishing Dollar Forty-Nine."
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#3174 - 07/11/04 10:18 PM
Re: The Vanishing Leprechaun
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David Acer
Registered: 02/09/08
Posts: 88
Loc: Montreal, Canada
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Thank you ALL! I was really starting from scratch on this one and you've helped ENORMOUSLY!
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#3175 - 07/12/04 06:36 AM
Re: The Vanishing Leprechaun
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David Ben
Registered: 01/17/08
Posts: 124
Loc: New York
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Well, Mark, you weren't very good for very long.
You do not own the rights to the Vanishing Leprechaun. The rights to the design are owned by Pat Lyons and registered as such in both the U.S. and Canada. I have the legal documentation at hand by which Bill Elliott transferred all rights back to Pat. I represent Pat Lyons on this matter and would appreciate being informed of any illegal reproductions out there.
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#3176 - 07/12/04 07:05 AM
Re: The Vanishing Leprechaun
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Jonathan Townsend
Registered: 01/17/08
Posts: 3630
Loc: Westchester, NY
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Prelude to another leprechaun vanish?
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#3177 - 07/12/04 12:14 PM
Re: The Vanishing Leprechaun
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DChung
Registered: 03/14/08
Posts: 45
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To add to Max's list of references, also take a look at Martin Gardner's Aha, Gotcha or Wheels, Life and Other Mathematical Amusements for a discussion of Pat Lyon's version, which includes a reproduction of her puzzle.
Derrick
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#3178 - 07/12/04 01:14 PM
Re: The Vanishing Leprechaun
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Randy
Registered: 03/13/08
Posts: 140
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Reminds me of that riddle that goes something like: 3 guys check into one motel room. Cost is $30 ($10 each). Manager realizes he made a mistake and the room is actually only $25, not $30. The guys should get a $5 refund but the manager realizes he can't divide $5 evenly between the 3 guys so he keeps $2 for himself and refunds $1 to each guy.
So, each guy ends up paying $9. $9 times the three guys equals $27 plus the $2 the manager kept for himself equals a total of $29.
What happened to the other $1 ???
I believe Daryl used to have a routine based on this riddle (and some false counting of bills).
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#3179 - 07/12/04 01:52 PM
Re: The Vanishing Leprechaun
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Jim Maloney_dup1
Registered: 07/23/01
Posts: 1744
Loc: Northern New Jersey
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Originally posted by Randy Gastreich:
Reminds me of that riddle that goes something like: 3 guys check into one motel room. Cost is $30 ($10 each). Manager realizes he made a mistake and the room is actually only $25, not $30. The guys should get a $5 refund but the manager realizes he can't divide $5 evenly between the 3 guys so he keeps $2 for himself and refunds $1 to each guy.
So, each guy ends up paying $9. $9 times the three guys equals $27 plus the $2 the manager kept for himself equals a total of $29.
What happened to the other $1 ???
I believe Daryl used to have a routine based on this riddle (and some false counting of bills). 
The manager has $25 in the register, plus two in his pocket. So the manager has a total of $27. The three guys (after the refund) paid $9, which comes out to $27 total. Mystery solved!
Another way to look at it is that the $2 the manager has should be subtracted from the $27 the three guys paid, not added, so that it equals the $25 in the register.
OR...the manager has $27. The three guys, after the refund, have in their pockets $1 each. That's $3, total, plus the $27, which gives you the $30.
I have too much free time.
-Jim "The Nerd" Maloney
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#3180 - 07/20/04 09:34 AM
Re: The Vanishing Leprechaun
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Anonymous
Anonymous
Unregistered
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As a matter of fact in Gardner's book cited previously by Max Maven, there is a reproduction of the very same Vanishing Leprechaun illusion.
It's definitely one of the best illusions around. You can order the Dover paperback on Amazon.
Take care.
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