Super Pet CritterTrail Fun-nels Value Pack Cage Accessory for Hamsters, Gerbils & Mice 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 hamster, mouse, or gerbil. 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! The CritterTrail value pack comes with 2-10 inch tubes, 2-3.5 inch tubes and 1-1.5 inch tube, plus 4 Connector Rings. CritterTrail® Fun-nel Tubes feature the "E-Z" to climb Bubble Wave design. They can be used to connect CritterTrail® homes, CritterTrail® Accessories and/or to create a fun maze of activity for your pet. Color specification is not available for this product Please note: Color specification is unavailable on this item