$ 0 0 Introduce your child to the Presidents in a way that sparks their curiosity. Talk about the coins in your pocket. Image may be NSFW. Clik here to view. Sort the money in piles by size, color, President’s faces and if they are clean or dirty. Separate the dirty pennies and use vinegar and salt to clean and polish them. Image may be NSFW. Clik here to view. Talk about what is different/same about the pennies. Make it easy for your child to start a conversation and go back and forth a few times.Image may be NSFW. Clik here to view. Image may be NSFW. Clik here to view. Finally, have your child count the pennies and add them to their piggy bank.