Abstract: A tree house kit includes a number of identical frames for attachment around a tree trunk. The array of frames supports floor panels and may also support wall and roof panels all made from templates provided in the kit to form a complete enclosure around the tree trunk. Each frame includes a self-leveling, telescoping floor panel supporting section which may be adjusted so that the array of frames can be installed on irregular tree trunks and trunks with different diameters, yet still maintain the floor in a level condition. Each frame may also include wall and roof panel supporting sections which mate with the floor supporting section and which also adapt themselves to irregularities in the tree trunk.