Festive Easter Bunny Teeth Whistles! Perfect Addition for Any Easter Basket Or Easter Egg Hunt! (Set of 4) (4) Bunny Teeth Whistles. Make some noise for Easter! Hold the whistle in your mouth to look like a happy little rabbit! In pink and blue, these musical toys will make "everybunny" on your Easter list happy! Plastic. Item Size: 2 1/4"