The Little Crab Shack Habitat lets you bring a little bit of the beach home for your pet hermit crab. This complete starter kit that includes little crab climber, starfish sponge, corner food dish, little crab mister, beach sand and palm tree. The open wire of the habitat allows for fresh air flow, and the three provided water sources allow you to maintain a humidity level suitable for your pet: the water bowl provides a constant water supply, the misting bottle for daily moisture and humidity, and the starfish sponge to hold additional water.