Pipe cleaners can be found at dollar stores-I think around fifty in a pack.
LOL- my siamese loooooves to play with those things. She carries them around like they're her babies and drags them to her food dish. There's usually at least a dozen piled around her food dish. (I think she's trying to feed them?)
When I mop the kitchen floor I snatch them all up and hide them in her cat tower. For the next few days she'll grab them when she thinks noone is looking and carry them back to the food dish.
She's funny!