Happy Indian Melody Tube Owl w/ Feather & Sound ChipGiGwi Melody Tube is designed for the most curious cats that can not sit on one place and always want to discover something new. Depending on the style it is supplied with sound chip hidden in the toy inside the tube and natural feather, the toy is fixd on the string, so your cat may spend hours of fun trying to take it out . The Tube is always rolling what makes the whole playing process even more exciting and fun to watch.