The Exo Terra Dinosaur Eggs Fossil Hideout has a natural fossil look that integrates well in any type of terrarium setup. These Dinosaur Eggs provide a secure shelter or hiding place with multiple entrances for easy access and allow you to create a cool, moist microclimate within the terrarium. This fossil hide-out offers a safe spot to hide and sleep, while the moist microclimate will support thermo-regulation and hydration, and aid the natural shedding process of reptiles. Dinosaurs ruled the earth for more then 140 million years and are considered to be the ancestors of today’s reptiles. The Exo Terra Dinosaur Eggs add a prehistoric accent to your terrarium and provide a multilevel hide-out.