Cleaning pennies

Ask your child what they think would be the best method for cleaning the pennies. Go with whatever they choose. Then have them experiment with their choice.

If you have a jar of corroded, old pennies, don't leave them sitting around the garage. Instead use your old pennies to try an enjoyable science experiment with your kids. Acidic liquids, rather than basic liquids, will clean a penny, according to the Miami Museum of Science official website.

Have you ever wondered why some pennies are shiny and some are dull? It's not just dependent on how old the pennies are. Chemical reactions are responsible for the change in a penny's appearance over time. Kids will love trying their hand at the classic cleaning pennies science experiment to see if they can use a

With our upcoming trip to Disney I knew I had to get my pennies ready for the press penny machines that my daughter loves. When I used to the pressed pennies I would try to use

One of my favorite (and the cheapest) souvenirs that we collect are Pressed Pennies. We get them everywhere we go, whether its at Disney World, the zoo, or the Smithsonian, we love collecting them.…

Test different substances to learn what substance will clean pennies the best

Here’s a simple chemistry project for kids to explore – make old pennies shiny and clean again with salt and vinegar! Why do pennies look dull and brown as they age? Well, the copper in pennies reacts with the oxygen in the air to form a new molecule – copper oxide. This is the tarnish […]

by Katie Brazerol “Find a penny, pick it up. All day long you’ll have good luck!” Preschoolers are attracted to bright shiny pennies, but over time, they lose that polished look. Invite the childre…

The experts at MMDIY share the best ways to clean coins of all types without devaluing them. Follow our simple steps to clean old, tarnished or corroded coins!

Coins can get grimy over time, changing hands year after year. Coins that are found on the ground are even dirtier and may require cleaning before adding them to your change purse.