What you have to:
A transparent plastic sandwich bag (you will get these at wal-mart or every other grocery retailer).
2 half cups of water.
A bottle of lime juice.
2 teaspoons of salt.
Two or three paper clips
And some shiny pennies.
You will even want a bowl and a spoon which is are usually not within the image.
You ought to have these items round your home. Therefore, they shouldn’t be that tough to come back by.