" CritterTrail Fun-nels Value Packs are the perfect way to start expanding your CritterTrail home. If you can imagine it, you can build it with CritterTrail Fun-nels! The tubes are available in four colors and in a variety of shapes and sizes so you can create a huge playground for your pet. This Value Pack gives you three sizes of Fun-nels Tubes (five tubes total) and Fun-nels Rings. With the Fun-nels Value Packs, you can start turning your CritterTrail home into a fantastic Fun-nel city!"