No, but a handful of uncooked rice swished around with some warm water and a little liquid dishwashing detergent works well!

unpopped popcorn works too.

they are just ball bearings... pick them up at a hard ware store probably for a lot cheaper. but if you were going to all the troubles rice works really well and it cheap.

Or go to your local hardware store or bike shop and buy ball bearings. That's all these are.

I second Salt and ice cubes... as I learned in the restaurant biz when I was a waitress.