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The Magic Cafe Forum Index » » Trick coin trickery » » Floating Penny? (0 Likes) Printer Friendly Version

cbmar
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I found an old set of instructions for "The Floating Penny" from Kanter's Magic Shop in Philadelphia.
It references a hollow penny (which has long since disappeared).
Do you think they're talking about a penny shell, or something different where the penny has actually somehow been hollowed out?
Danwseers
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I donno for certain, but I am aware of other IT coin effects which required similar [. But, given the current state of IT, there should be little need for a [ penny. Steve Fearson offers multiple different tensile strength IT which could easily affect a penny and beyond...who floats a penny anyway? High roller:-P
cbmar
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Ha! No, I should have been more specific. This isn't an IT trick. It's a trick where you make the penny float on the surface of a glass of water.

Quote:
On Mar 21, 2017, Danwseers wrote:
I donno for certain, but I am aware of other IT coin effects which required similar [. But, given the current state of IT, there should be little need for a [ penny. Steve Fearson offers multiple different tensile strength IT which could easily affect a penny and beyond...who floats a penny anyway? High roller:-P
countrymaven
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It is almost surely talking about a penny which is hollowed out with a special something (chemical) so it weighs almost nothing.
I have read about this before but I can't quote the source now.
scott0819
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Hydrochloric acid (HCI) will dissolve the zinc core of a penny. You just need to nick the copper plating off the coin at one location for the HCI to go in. It results in a delicate hollow copper coin like you describe. Never tried it but it looks like fun.
countrymaven
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Yes scott that is what I was referring to .
you could say, just drill it at one location on one side.
but beware, Hyd. acid is very dangerous and its fumes are as well.
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