No glue nails or screws just one piece! These one of a kind roots are able to be placed in many positions. Bamboo Root Jungle Gyms can be stood on their sides to provide low level climbing opportunities for semi-terrestrial species or stood on end to ad an extra element of height for tree dwelling species. Bamboo Root Jungle Gyms do well in humid environments and therefore are nice additions to rainforest tanks as well as less humid desert and woodland habitats. These roots they are highly suggested for use under your pets basking light. The random shape and various perch heights created from these roots help allow for your pet picking his ideal thermo cline for basking. Size: 18 to 24 Inches