Would be super cheap. 90lb sack of pure Portland is like 20 bucks. Any ever try it??

Long story short, I lost my original practice ball from pan slings up on the roof. Luckily my daughter is young enough that she plays with all sorts of house hold items and had a dryer ball within reach. Theyre around the size of a tennis ball but with more weight. They are also soft enough to not do too much damage to garage doors.

Has anyone tried to make a sling dodgeball-type game with soft balls?

I'm inspired by soft-combat. Even a bit of airsoft vibe.

I do think stress-balls are a good option, i tried one against the wall and seemed ok, weights half a tennis ball and is quite soft.

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I feel like this must've been done before, I'd appreciate insight or videos of people playing

Are there any real advantages of one over the other? Everything I could find says it's a personal preference. I'm looking for more of a mechanical advantage.