Are real tree houses with platforms much larger than the common standards. The unique structure with a single pillar is entirely made of glue-lam wood. TREES line has been designed to withstand all overloads and the dangers of the time without the need of special maintenance. These structures offer different degrees of difficulty,from the smallest tree tower, designed for schools, to the larger trees that are dedicated to public parks. Some elements of this line meet the guidelines of the European project "Play for all" aimed to allow children to play all together in an inclusive way, regardless of their physical and metal abilities.