Starter Hermit Crab Kit *Tank not included. Zoo Med Starter Kit that provides all the basic essentials for keeping Hermit Crabs. Includes: Hermit Crab Care Book Hermit Crab Thermometer Hermit Crab Sand (yellow) Hermit Soil™ (puck) Hermit Crab Food Hermit Crab Drinking Water Conditioner (trial size) Hermit Crab Salt Water Conditioner (trial size) Repti Rock Water Dish (extra small) Hermit Crab Sea Sponge Fancy Hermit Crab Shell (1) This Hermit Crab Kit is designed for use with habitats up to 10 Gallons in size.