Pets International CritterTrail Valpak Small Assorted Make your CritterTrail home even more incredible with the vibrantly colored Fun-nels you receive in CritterTrail Fun-nels Value Packs! This CritterTrail Value Pack contains 1-Tee, 1-3.5 inch tube, 1-Elbow and 1-Bubble Plug, 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. Please note: Color specification is unavailable on this item