18 months & up. Foster a child's innate enthusiasm for the natural world with a life-size Reading Tree Nook. This natural, calming tree shelf creates a warm invitation for children to get cozy and enjoy moments of quiet respite. A comfortable, cushioned nook built into the "trunk" of the tree, shelves for books and toys, and rows of branches create a beautiful functional biophilic environment. Made from sturdy birch plywood, this unit easily withstands rigorous, everyday classroom use. 180 Degree Kits must be mounted to each other or to the wall to ensure stability. Mounting hardware not included. Full 360 Degree Kit measures 248"W x 90"H x 248"D at the widest parts of the branches. Base measures 68"W x 68"D.