The PlanToys Stacking Tree is designed based on nature. Each wooden piece can be stacked to form different kinds of trees. The set includes 1 trunk and 8 branches. Children can learn the color variations and size, and develop their fine motor skills by stacking the branches. PlanToys creates toys that inspire children's imagination as well as promote their physical and intellectual development. PlanToys practices the ""Three R's"" of green living: Reduce, Reuse, and Recycle. Their manufacturing processes are designed to reduce waste and save energy. They reuse materials, and have introduced innovative methods to recycle paper and other products.