. Build a 10" x 18" (25.4 cm x 45.7 cm) HO scale diorama and learn easy terrain and landscape modeling techniques that you can apply to your future models and layouts. This kit includes: complete step-by-step instructions, pre-cut hardboard sides, Plaster Cloth, Rock Castings, Culvert, Lightweight Hydrocal*, four colors of Earth Colors Liquid Pigment, Scenic Cement, Track-Bed, Hob-e-Tac; Adhesive, Ballast, HO scale track (others can be substituted), five colors of Turf, two colors of Clump-Foliage, three realistic Tree Armatures, Talus, Poly Fiber and Field Grass. Display an engine or piece of rolling stock on the finished diorama. Saves over purchasing items separately. Train not included.