>I've managed to collect a number of metal OJ tops, any ideas on
>what to use them for?
We used to use those OJ tops for a tin punch activity with 5th graders.
(Outside at picnic tables because it is loud!) We had a class set of little
hammers and wood support blocks and pinched with nails. The idea was not to
punch all the way through except for one hole for a string. The kids made