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| Address | P.O. Box 219 Batavia, IL 60510 |
| Phone | 800-452-1261 |
| Fax | 866-452-1436 |
| flinn@flinnsci.com |
DC9241
Price: FREE
A sound pipe, which many think is just an annoying toy for young children, can actually help you teach some very basic and more complex scientific principles.