![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpTeUwBTxW0NkGT476_vb_U6EZf164dkIyA3k0584UywYtGrQvM_u1_j7YNRVjGQBgb78ANwWslV1FM0xIfnGOFxPc1ynDGUhk9_1Mj77-rkR5hATiCL0EEBOJvAzDvIBCqZAvSPue74rY/s320/lincoln_pennies.jpg)
This website discusses size (number, area, weight, dollar amount) in terms of pennies. It is a great site for kids to help understand how big is
big.
The Mega Penny ProjectThis sight, as an aside, has a section on
coin stacking. It is fascinating to see what people do with their time.
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