Two pennies are balanced edge to edge in a most amazing manner and when finished with the demonstration the two coins can be passed out for immediate examination.
No one else is able to accomplish the feat unless they know the secret. The coins are not gimmicked. You’ll marvel at the easy but perplexing method used. No switches required.
The coins they see being balanced and the coins they use to try and duplicate your balancing feat are the same two coins coins.