Also daniel garcia's No smoking, since your doining it in a hospital setting substitute the cigarette pack with a box of candy, as long as there is celophane on it. I've done it with mentos

If you don't mind that they are not borrowed quarters, there's a cute item where you have them attached on a three inch line and put a coin under each of two cards then they wind up under the same card. Very cute magazine item from ages ago.

You can do Sankey's "Waterwheel production" of one or two quarters, and than either a coin flurry/complete vansish, or to Tenkai Pennies if using two