Oh man, that Star Wars thing sounds like a ton of fun. I would absolutely do that if they had it for adults.
Having a kitten could help a lot--our younger cat Sherlock (2, but part Maine Coon, and they take longer to grow up apparently) used to try to play with our cat Veronica (who is 8), and V was not cool with this. When we got our kitten Pip, Sherlock stopped bothering Veronica. Veronica still has to fend off the kitten occasionally, but it's a lot easier for her to assert dominance with a kitten than with a giant part-Maine Coon cat. Plus, Sherlock and Pip looooove each other.
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Having a kitten could help a lot--our younger cat Sherlock (2, but part Maine Coon, and they take longer to grow up apparently) used to try to play with our cat Veronica (who is 8), and V was not cool with this. When we got our kitten Pip, Sherlock stopped bothering Veronica. Veronica still has to fend off the kitten occasionally, but it's a lot easier for her to assert dominance with a kitten than with a giant part-Maine Coon cat. Plus, Sherlock and Pip looooove each other.