^^ Fun?? You bet!
Our extended family is renting a house in upper Michigan during the first week of August, so I've been doing a production line of clay balls for slingshot use. I read about it somewhere on-line--they burst on impact, leaving a mark so that you know where you hit, and the residue just turns to dust.
They are pretty light, though. I have an accurate scale and made them 4.0 grams wet (a little over .5 inch diameter) and they are drying to 3.6 grams. That's a little under 55.5 grains, so they will get tossed around a little in a cross wind. Who cares--it's just for fun, and everybody has the same conditions.
I'll bet everybody will want to do some plinking--my wife already said she would--so I'd better make a bunch since there will be 12 people there. These are not shooting sports folks, so we'll have a safety meeting before and some extra safety glasses available. I foresee some heated tournaments and lots of laughter.
Life is pretty much taking things and putting them somewhere else....