The inclusion of a terrarium (vivarium) with live subtropical geckos was planned. Coir can be used as a terrarium substrate for reptiles or arachnids. A bottle garden is a container similar to a terrarium in which plants are grown. "Brachypelma" species are docile tarantulas which are easy to keep in a terrarium. The ebony spleenwort is sometimes grown as a terrarium or garden plant. Several "Hoya" species and cultivars are excellent terrarium plants. In the terrarium, mantids require sticks and other foliage for climbing and molting. It functions well as a hanging or terrarium plant. The Chinese mantis should be kept in a terrarium roughly three times its body size. They need a large, well planted terrarium. She shows him a terrarium filled with four colonies of creatures called sandkings. Keeping the terrarium sealed allows for the circulation of water. These animals should be housed singly or in pairs and need a large, well-planted terrarium. They are sometimes used as food for terrarium animals. The first terrarium was developed by botanist Nathaniel Bagshaw Ward in 1842.