Here is the perfect toy for an amazing game of high speed chase put the elements together to create a circle or combine with other catit products to create interesting shapes it can be combined with catit design senses play circuit to create new shapes or lengthen your cat has very developed senses their sensitive hearing can pick up things which we cant and they can see things we can only imagine and we can only start to guess at what they are able to smell and taste the catit design sen