The Zoo Med Reptile Cavern Kit has everything you need to create caverns, tunnels, caves and shelters in your reptile's clay substrate - including the substrate! Zoo Med Excavator clay lets you create virtually any environment your imagination can dream up, so go wild and build your reptile's dream home.Everything you need to make caverns, tunnels and sheltersAllows you to create a fun, naturalistic habitat for your reptileZoo Med Excavator Clay Substrate includedMade in the USACaverns, tunnels and other hiding places are important for promoting proper and healthy natural behaviors in reptiles, arachnids, and other desert pets.Includes: Zoo Med Excavator Clay Substrate (12 lbs), 7" Tunnel Tube, 5" Round Balloons (2), 9" Round Balloons (2), Balloon Attachment Assembly, 10" Shovel, Excavator Mixing Bag and Full Instruction Booklet.