Lionel Model Train Accessories, FasTrack O Gauge, #148 Dwarf Signal
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Make sure this fits by entering your model number. | Lights change from green to red when train moves through its block | Automatically resets to green when train clears its block
Style:Dwarf Signal From the Manufacturer Place the signal along the mainline on your Lionel railroad, and passing trains will automatically cause the lights to change from green to red. Once the train has cleared the signal, the lights will change back to green. | 3.2 ounces (View shipping rates and policies)