CONDITION: LAYOUT USED, TESTED AND WORK. WITH ORIGINAL BOXES THAT HAVE WEAR
"Mainline Block Target Signal" with lights change from green to red when trains move through its block.
- Die-cast metal construction
- Lights change from green to red when trains move through its block
- Lights automatically reset to green when block clears
- 153C Contactor included
- Gauge: Traditional O Gauge
- Brand: Lionel
- Dimensions: 4 3/4" x 1 3/4" x 1"