Verified answer

Also kown as Sinful allegedly by Wayne Houchin but actually invented previously.

You slam the coin in the bottom of the can and rattle it around the rim. By a series of clever hand moves you bring the coin up the side of the can and on opening the top ring pull, drop it into the can under cover of the fizz bubbles. You then hand them the can and they can pour the contents out and find their actual coin inside.

Here are two links to get you started in magic:

http://somf.ipbfree.com/

A great magic forum with some really helpful people.

http://sky.prohosting.com/fizbin/athenaeum/

There are lots of free (legal) magic books and tricks on there. Enough to last a lifetime. It's magicians only so don't reveal anything to people who aren't ;-)

Also a good magic blog here:

http://magicphallus.blogspot.com/

check youtube for 'cap through a bottle'trick. its the same principle. takes alot of preparation, but if you can pul it off, kudos!