SmartyKat Crackle Chute is a cat tunnel that cats can t resist exploring and crackles with every step! The side opening is perfect for hide-and-seek and playing chase with other cats. It can also be used for small dog agility training. Ties can be used to connect with other tunnels or as a swatting toy. Lightweight and collapsible the Crackle Chute offers portable fun and stores away easily when playtime is over. Lack of physical activity can lead to weight gain poor health and even aggression in domestic cats. Toys that mimic the thrill of the hunt encourage even inactive cats to chase pounce and leap transforming playtime into exercise time. SmartyKat gives pet parents the best of all worlds: SmartyKat products are designed to meet child safety standards and are backed by our 100% satisfaction.