I build little animals from never hardering plasticine often. If you form them hollow, you can fill them with red colored liquid or put a little bag with liquid inside them. Try to build a rat sized model for example, you can resuse the plasticine every time after destroying it. Put the liquid in a fingerpiece of a rubber glove, tight it and put this inside the plasticine rat and then close it.
Its been the biggest fun then this got hit and all the parts and the red liquid shatters around inside your scopeview, especially with pellets like hades or barracuda hunter which tends to expand relatively good.
I'm actually planing about building an robot/animatronic target which moves freely, which i can let run in my yard and give it a critical hit when ever i want.
Thinking about doing this on a house cleaning robot base.
I also shoot little things like firematches which i mount on moving hex bots on my 12 yards indoor range.
View attachment 537258 I seen this last week and already fought about how to armor it in a way that i can shot it without destroying it.
Maybe i should only armor the body and 3d print the legs so that i can shoot this robots legs off so that it drops and then i replace the legs with cheap pla 3d printable legs.