You can enlarge your LGB starter set circle into an oval with a passing track. Two trains can pass, one train can park, cars can be switched or a locomotive can be moved from one end of the train to the other. The sturdy storage box includes: 1 - 12000 manual right-hand switch, 1 - 12100 manual left-hand switch, 9 - 10000 straight track sections, 2 - 11000 curved track sections.