Cat Toy Teaser Wand Refill - Yellow Bird Katfly Yellow Bird Kat Fly Teaser Wand Refill is about 3 inches long will real feathers! Replacement / Refill for Top Selling Cat Teaser Wands. Very Colorful! Easily connects to Da Bird, Go Cat, Cat Catcher, Clarion Baton & Flying Frenzy Adds Variety to Cat Wands and brings out the natural hunting instinct of you cat Cat Toy Teaser Attachment is a great interactive toy for your cat!