Tunnels Every ferret, chinchilla or pet rat loves playing in tunnels! Grab one for your little critter today. They are available in two styles with many colors to choose from. Peek-A-Boo TunnelSee Option Hang from anywhere. The Peek-a-Boo Tunnel is the perfect place to play, nap or hide out! Crinkle Tunnel See Options Pure crinkling fun! Place in the cage or on the floor. It's a great place to explore!