Signal Box InteriorPECO Lineside Kits O Signal Box Interior A kit containing common objects found in any signal box, such as the comfy leather armchair, stove, token machines, desk, a shelf with various rule books lined up, a phone, a clock, and the most important items, the kettle and mug of tea. PECO 0 Code 124 Setrack and Streamline Code 124 and code 143 Flexible track systems