The Woodland Scenics TR1571 Deciduous Trees set includes 23 pre-built trees of varying heights, perfect for enhancing your model railroad layout. These green trees, made of plastic, are designed to mimic real-life deciduous trees and come in a vintage theme, adding authenticity to your train display. The set is compatible with other Woodland Scenics products and features freestanding trees that are ready to be incorporated into your existing scenery, enhancing the realism and detail of your model railroad world.