WOODLAND SCENICS Random Stone Retaining Wall - HO Scale Use Retaining Walls alone, installed adjacent to each other to create straight or curved walls or use with Tunnel Portals. Cut to varying heights to create stepped, winged walls. Color with Earth Colors™ Liquid Pigment. Set contains 3 pieces. 3 1/8 in w x 5 1/8 in h, 65 1/4 ft scale length (7.93 cm x 13 cm, 19.8 m scale length)