My 3 year old neutered female cat has gone mental on playing with silicone earplugs. They are small, chewy, yellow things you put in your ears to block out noise.
My cat thinks they are THE BEST THING EVER.
If I have one in my hand, she meows, jumps and slaps it out of my hand. When I give her one, she plays for hours and hours until collapsing of exhaust. There are probably a thousand of them under the bed and various places she slaps them into then attempting to grab them, pushes them deeper. Cats, go figure.
The problem is that she won't play with any of her other toys. She ignores catnip and catnip toys. I got her one of those ball in tunnel with holes to poke around, but in vain - she is absolutely not interested.
If she doesn't get an earplug, she will meow, act depressed and sometimes get anxious and be aggressive.
I don't want my little darling to get depressed, but I fear she may swallow and choke or eat and get an intestinal blockage or something of the sorts.