I can see how most would like this trick! But I think I got a defective set. Mine had a green stain
on the side of one of the shells. You might think it's no big deal but I like to make the effect
look more like it's just a "finding the pea" game and not so much a magic trick. Let me explain...
when the shells all look identical, no one knows really thinks it's a magic trick with a secret.
They think it's just a hard game. (which is want I want... that way there is little suspicion.) But
when some of the shells look different (the green stain), they know that the pea moved. They would
be able to tell that it's just magic trick.... magic trick that they they now know that they can't
win. Other than that the set was pretty good. Although after a while the peas lose there tackyness.
They still work but it's not as easy.