This is a fairly well made deceptive gimmick. On the outside it looks like a genuine us quarter and
penny. You can do any scotch and soda trick with this. The advantage to this is that these coins are
very common and don't look like 'magic' coins. Also, very easy to reset. You don't need a bang ring.
The disadvantage is that when it's done, it's not totally examinable. The spectator can look very
carefully and see the gimmick, whereas after you are done with Scotch and Soda, they can completely
examine everything at the end and can't figure it out. So weigh the pros and cons and decide from
there and decide what's better for you.