The United States Mint - The best source for United States coin information. Find out how pennies are made, where they are made and how many pennies are minted each year. You can also comment on the proposed designs for the new dollar coins which are expected to be minted in 2000.

Americans for Common Cents - The penny information home page.

CoinWorld Online - A great source for coin collecting information and news.

Coins for Kids - Good coins at great prices.

The Penny Page - 'THE' Largest Photo Collection of Elongated Coins! (Squashed, Squished, Pressed or whatever you call them coins)

The Coin Site - Your source for numismatics (coin collectors)

The United States Treasury Department - The branch of the United States government responsible for producing all postage stamps, currency and coinage.  There is also a link for kids, with activities and games.  There is an area for teachers here also.

United States Coin Quantities Minted - Here are comprehensive tables of quantities minted.

Penny Flipping - An activity page for probability.

Drops on a Penny - This fun lab combines math and science.

Green Penny Lab - A lab activity for turning those pennies green overnight.