We had the same experience at the Anasazi Heritage Center. We routinely replaced a $5 and five $1s after emptying. And when it was fairly full, it seemed to grow visibly! -- Tom Vaughan \_ Cultural The Waggin' Tongue \_ Resource <[log in to unmask]> \_ Management, 11795 Road 39.2 \_ Interpretation, Mancos, CO 81328 USA \_ Planning, & (970) 533-1215 \_ Training