Cleaning pennies

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

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

There are a lot of ways to clean pennies with stuff you already have at home!

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!

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 […]

Have you ever wondered how to clean pennies? Cleaning pennies can be a lot of fun for kids! I decided to turn it into science experiment to test a few different substances and see what works best to clean old brown pennies.

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.

Remove dirt & grime with soap, baking soda, ketchup, & moreWhether you are a practiced coin collector or just starting to gain an appreciation for coins, you may have an interest in cleaning your coins. Cleaning coins can make the image on...

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.

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.…