wood , natural, wear resistant and , owning long using life span. The base is detachable to bring you two playing methods, including the on your hands or on the base, bringing you much fun. The colorful branches will change it arrange shape after , in order to bring you excellent visual feast and release the pressure. Outstanding product features, fine workmanship with incredible detail could be seen everywhere. This item is well designed and crafted for your kids to have the best house-hold for all day long playing.